pure substances
- 1 Can composition vary in a compound?
- 2 Do compounds have variable compositions?
- 3 Is a compounds composition always the same?
- 4 Can the compositions of mixtures vary?
- 5 How does the composition of a mixture differ from the composition of a substance?
- 6 Can compounds have different properties than their elements?
- 7 Is composition an element or compound?
- 8 How do you know the difference between a compound and mixture?
- 9 What does it mean to say that a given compound has the same composition?
- 10 Does a compound have a fixed composition?
- 11 Can the relative amounts of the components of a compound vary?
- 12 What is the difference between compound and element?
- 13 Do elements have a fixed composition?
- 14 What is difference between the molecules of elements and compounds?
- 15 What is the characteristics of elements and compounds?
- 16 Which mixture can you not distinguish the components?
- 17 How does the composition of a mixture differ from the composition of a compound containing hydrogen and oxygen?
- 18 Why are the properties of different compounds so different from?
- 19 What word describes different compounds which are found together but not combined chemically?
- 20 How can compounds be made of the same element but have different properties?
- 21 Why are the property of different compounds so different from each other?
- 22 What is difference between H * * * * * * * * * * mixture and heterogeneous mixture?
- 23 How are mixtures and compounds similar?
- 24 What is matter that can vary in composition?
- 25 When a mixture contains substances that are not evenly mixed?
- 26 How do compounds stick together?
- 27 Are compounds a pure substance?
- 28 Are elements except?
- 29 Are all compounds considered pure substances?
- 30 What kind of composition do compounds have?
- 31 Do compounds have specific sets of properties?
- 32 How does an element differ from a compound quizlet?
- 33 What is the difference between a compound and an element quizlet?
- 34 Can you tell the difference between a homogeneous mixture and a compound?
- 35 Are components the same as elements?
- 36 Are molecules compounds also?
- 37 How do molecules of elements and molecules of compounds differ in what ways are they similar?
- 38 Why are all molecules not compounds?
- 39 Are different compounds and have different physical and chemical properties?
- 40 What determines an element’s chemistry?
- 41 Can you easily distinguish each component Why?
- 42 What characteristic distinguish a mixture from a substance?
- 43 What do you call a mixture that has the same all throughout?
- 44 What are the differences between compound and mixture?
- 45 Why do the properties of a pure substance not vary from sample to sample?
- 46 What is the difference between mixture and compound in a tabular form?
- 47 Which substances do not react together?
- 48 What substance is not a chemical element or compound?
- 49 What is the difference between a molecule and a compound?
- 50 Can compounds have different properties than their elements?
- 51 What is the similarity between the compounds?
- 52 Is it possible for two different compounds to be made from the exact same two elements Why or why not?
- 53 Which compound is different from the other?
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54
What are the type of compounds How do they differ from each other what are the properties of each type of compounds?
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54.1
Related Posts
- 54.1.1 Do all organic compounds contain nitrogen?
- 54.1.2 Do compounds have variable composition?
- 54.1.3 Do compounds have properties similar to those of their component elements?
- 54.1.4 Do all elements form compounds?
- 54.1.5 Do covalent compounds end in IDE?
- 54.1.6 Do compounds only contain one type of atom?
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54.1
Related Posts
Can composition vary in a compound?
Elements can interact with other elements to form compounds, and compounds can be decomposed into elements. The elemental composition of a compound is always the same, which is known as the Law of Constant Composition (or Law of Definite Proportions).
Do compounds have variable compositions?
The compound that is represented by different ratios of the elements, then the compound is known as having variable composition. Generally, the transition elements form compounds with variable composition.
Is a compounds composition always the same?
A compound always has the same elements in the same proportions. For example, carbon dioxide always has two atoms of oxygen for each atom of carbon, and water always has two atoms of hydrogen for each atom of oxygen. A compound always has the same composition throughout.
Can the compositions of mixtures vary?
Mixtures are combinations of two or more substances in which each substance retains its own chemical identity and hence its own properties [Figure 1.5(d)]. Whereas pure substances have fixed compositions, the compositions of mixtures can vary.
How does the composition of a mixture differ from the composition of a substance?
A chemical substance is composed of one type of atom or molecule. A mixture is composed of different types of atoms or molecules that are not chemically bonded.
Can compounds have different properties than their elements?
Compound. A compound is a pure substance whose smallest unit is made up of atoms of two or more elements joined by chemical bonds. Compounds have different properties than the individual elements that make up the compound. Compounds can only be separated by chemical means.
Is composition an element or compound?
Element | |
---|---|
Definition | An element is a pure chemical substance made of same type of atom. |
Composition | Elements contain only one type of atom. Each atom has the same atomic number i.e., the same number of protons in their nucleus. |
How do you know the difference between a compound and mixture?
Difference between Compound and Mixture
Compounds are formed because of chemical bonding between two elements. Mixtures are formed when substances are physically mixed with one another.
What does it mean to say that a given compound has the same composition?
What does it mean to say that a given compound always has the same composition? The molecules of that compound always contain the same number and types of atoms. You just studied 4 terms!
Does a compound have a fixed composition?
A compound that results from a chemical reaction always has a unique and fixed chemical composition. The substances in the compound can be separated from one another only by another chemical reaction.
Can the relative amounts of the components of a compound vary?
Yes. The amounts of the various components in the mixture can vary relative to each other. For example,a person could add one or two spoons of sugar to their coffee.
What is the difference between compound and element?
Difference between Elements and Compounds
Elements are substances that are pure in their nature and are composed of a single atom. Compounds are also pure substances that are composed of elements in definite proportions.
Do elements have a fixed composition?
Element: Pure substance made up of just one type of atom. Ion: An atom that has gained or lost at least one electron. Matter: All the substances of which things are made. Mixture: Combination of chemical substances that does not have a fixed composition and does not result from a chemical reaction.
What is difference between the molecules of elements and compounds?
A molecule is formed when two or more atoms of an element chemically join together. And a compound is a type of molecule, in which the types of atoms forming the molecule are different from each other.
What is the characteristics of elements and compounds?
Elements | Compounds |
---|---|
They have properties different from compounds they make. Example – Hydrogen & oxygen are combustible, but water is not. | They have properties different from elements that they are made of. Example – Hydrogen and Oxygen are gases, but they make up water which is liquid. |
Which mixture can you not distinguish the components?
In homogeneous mixtures, you can not distinguish each component with the naked eye. They have a uniform composition. For example sea water, air , and vinegar. Steel is a homogeneous mixture, however it is made from iron and carbon.
How does the composition of a mixture differ from the composition of a compound containing hydrogen and oxygen?
How does the composition of a mixture of hydrogen and oxygen differ from the composition of a compound containing hydrogen oxygen? In a compound, they are chemically bonded, so the chemical composition is changed.
Why are the properties of different compounds so different from?
Answer. Compounds have different properties from the elements that make them. The atoms of different elements are held together in compounds by chemical bonds. Chemical bonds can hold atoms together in large networks or in small groups.
What word describes different compounds which are found together but not combined chemically?
A mixture contains two or more different substances that are not chemically joined together. The different substances in a mixture can be elements and/or compounds. dome7w and 3 more users found this answer helpful.
How can compounds be made of the same element but have different properties?
If the same elements combine in different ratios, they form different compounds. Types of compounds include covalent and ionic compounds. They differ in the nature of the bonds that hold their atoms or ions together.
Why are the property of different compounds so different from each other?
1. Each compound is formed by a different set of elements. 2. Even with the same set of elements, different compounds are formed by varying numbers of constituent atoms.
What is difference between H * * * * * * * * * * mixture and heterogeneous mixture?
1. A homogenous mixture is that mixture in which the components mix with each other and its composition is uniform throughout the solution. A heterogenous mixture is that mixture in which the composition is not uniform throughout and different components are observed.
How are mixtures and compounds similar?
A mixture is composed of two or more elements or compounds in a non-fixed ratio, which means you can vary the amount of substance in a mixture. A compound is composed of two or more elements in a fixed ratio, so you cannot vary the amount of each element in a compound.
What is matter that can vary in composition?
A mixture is. matter that can vary in composition. Mixtures are combinations. of two or more substances that are physically blended. together.
When a mixture contains substances that are not evenly mixed?
A mixture, such as trail mix, in which the substances are not evenly mixed is a(n) heterogeneous mixture. 3. A mixture in which two or more substances are evenly mixed, but not bonded together is a(n) homogeneous mixture, also called a(n) solution.
How do compounds stick together?
Chemical bonds (ionic and covalent bonds) hold compounded atoms together. This attraction is an electromagnetic event which envelops the atoms and causes them to stick together. When atoms transfer electrons to other atoms, they make ionic bonds.
Are compounds a pure substance?
Elements and compounds are both examples of pure substances. Compounds are substances that are made up of more than one type of atom. Elements are the simplest substances made up of only one type of atom.
Are elements except?
Explanation: All are elements except sulfate.
Are all compounds considered pure substances?
In a scientific context, “pure” denotes a single type of material. Ostensibly, compounds contain more than one type of material. Yet both compounds and elements are considered pure substances.
What kind of composition do compounds have?
A chemical compound is a chemical substance composed of many identical molecules (or molecular entities) composed of atoms from more than one element held together by chemical bonds. A molecule consisting of atoms of only one element is therefore not a compound.
Do compounds have specific sets of properties?
Compounds have a particular set of characteristics. Because the molecules of a compound are always exactly the same, the properties of the compound will always be exactly the same.
How does an element differ from a compound quizlet?
An element is a pure substance that cannot be broken down into different substances. In the case of water, the elements are hydrogen and oxygen. Because water is made of more than one element, it is called a compound. A compound is formed when two or more elements combine chemically.
What is the difference between a compound and an element quizlet?
What is the difference between elements and compounds? Compounds can be broken down into simpler substances by chemical means, but elements cannot.
Can you tell the difference between a homogeneous mixture and a compound?
1. A pure substance is a form of matter that has a fixed chemical composition and a distinct characteristic while a homogeneous mixture is a mixture of two or more compounds with compositions that are uniform or mixed together in such a way that they are indistinguishable from each other. 2.
Are components the same as elements?
There is certainly a difference between elements and components. Furthermore, a component refers to a small part of a larger entity that mostly is a manufactured object. In contrast, an element is one the simplest parts of which anything consists of.
Are molecules compounds also?
Compound Basics
Molecule is the general term used to describe any atoms that are connected by chemical bonds. Every combination of atoms is a molecule. A compound is a molecule made of atoms from different elements. All compounds are molecules, but not all molecules are compounds.
How do molecules of elements and molecules of compounds differ in what ways are they similar?
In what ways are they similar? Molecules of elements contain only one type of atom; molecules of compounds contain two or more types of atoms. They are similar in that both are comprised of two or more atoms chemically bonded together.
Why are all molecules not compounds?
When two or more atoms of different elements join together, we call it a compound. All compounds are molecules, but not all molecules are compounds. That is because a molecule can be made up of two atoms of the same kind, as when two oxygen atoms bind together to make an oxygen molecule.
Are different compounds and have different physical and chemical properties?
Compounds are defined as substances composed of two or more different elements that are chemically combined. Compounds have physical and chemical properties that help us identify them. A physical property is a characteristic that can be observed or measured.
What determines an element’s chemistry?
An element is defined by its number of protons. Varying the number of neutrons will change the isotope of an element and varying the number of electrons will create an ion, but changing the number of protons changes the identity of the element itself.
Can you easily distinguish each component Why?
Answer: there is 2 types of mixture: the heterogeneous mixture which you can easily distinguised it’s components because the solute is not fully dissolved and the homogeneous mixture or solution which you can’t easily distinguished it’s components because it’s solute is dissolved by the solvent.
What characteristic distinguish a mixture from a substance?
Pure Substances | Mixtures |
---|---|
Constant physical and chemical properties. | Mixtures have varying physical and chemical properties. |
Pure substances are made up of a single element. | A mixture is a combination of two substances or elements. |
What do you call a mixture that has the same all throughout?
A solution is a mixture that is the same or uniform throughout. Think of the example of salt water. This is also called a “homogenous mixture.” A mixture that is not a solution is not uniform throughout.
What are the differences between compound and mixture?
Compound are substances which can be formed by chemically combining two or more elements. Mixtures are substances that are formed by physically mixing two or more substances.
Why do the properties of a pure substance not vary from sample to sample?
Explain why the properties of a pure substance do not vary from sample to sample. The properties of a pure substance are constant because its composition is always the same. It can’t be broken down into simpler substances. What is the difference between an element and a compound?
What is the difference between mixture and compound in a tabular form?
Parameter | Mixtures | Compounds |
---|---|---|
Melting/Boiling point | Mixtures do not have a fixed melting or boiling point. | The compound has a fixed melting and boiling point. |
Which substances do not react together?
Noble Gases are colorless gases that are extremely un-reactive. Because they do not readily combine with other elements to form compounds, the noble gases are called inert. The family of noble gases includes helium, neon, argon, krypton, xenon, and radon.
What substance is not a chemical element or compound?
Pure chemical elements are not considered chemical compounds, even if they consist of diatomic or polyatomic molecules (molecules that contain only multiple atoms of a single element, such as H2 or S8).
What is the difference between a molecule and a compound?
Difference between molecules and compounds
Molecules are formed by two or more atoms that are bonded by chemical bondings. Compounds are constructed by two or more elements where the elements are mixed in fixed ratios. Not all molecules can be called compounds.
Can compounds have different properties than their elements?
Compound. A compound is a pure substance whose smallest unit is made up of atoms of two or more elements joined by chemical bonds. Compounds have different properties than the individual elements that make up the compound. Compounds can only be separated by chemical means.
What is the similarity between the compounds?
On first glance, elements and compounds might appear different, yet they share many similarities, like being made up of atoms and having bonds linking their atoms together. Elements and compounds also share the qualities of being both pure and homogeneous substances.
Is it possible for two different compounds to be made from the exact same two elements Why or why not?
Yes, it is possible to combine the same two elements to form two different compounds. An example is carbon dioxide CO2 and carbon monoxide CO. This is because two elements can form different types of bond and end up with different compounds.
Which compound is different from the other?
Pentan-2-one, 2-pentanone and methyl propyl ketone are different names of same compound CH3−O∣∣C−CH2−CH2−CH3 which contains 5C atoms.
What are the type of compounds How do they differ from each other what are the properties of each type of compounds?
A compound always consists of the same elements in the same ratio. If the same elements combine in different ratios, they form different compounds. Types of compounds include covalent and ionic compounds. They differ in the nature of the bonds that hold their atoms or ions together.