A compound has chemical properties different from the properties of the elements it contains. Molecules are substances formed when two or more atoms are chemically joined (bonded).
- 1 Can compounds have different properties than their elements have explain using an example?
- 2 Why are the properties of different compounds so different from?
- 3 How are the properties of compounds and elements different?
- 4 Do compounds have compositions that vary?
- 5 What are properties of compounds?
- 6 Why are the properties of different compounds so different from each other explain with examples Class 7?
- 7 Why do compounds have different properties?
- 8 Which compound is different from the other?
- 9 Why do you think that properties of molecules are different than the properties of the individual atoms that make them?
- 10 Do compounds have constant composition?
- 11 What is one difference between a mixture and a compound?
- 12 Are different compounds and have different physical and chemical properties?
- 13 Can ah * * * * * * * * * * mixture have variable composition justify giving an example?
- 14 Do compounds retain their properties?
- 15 Does a compound have properties?
- 16 What are properties of elements?
- 17 Do all substances have the same properties?
- 18 What is difference between the molecules of elements and compounds?
- 19 Why do different compounds emit different colors of light?
- 20 How can there be only 118 known elements but many millions of different compounds?
- 21 What is the difference between elements and components?
- 22 How are atoms and molecules alike and different?
- 23 How does the bonding between ionic compounds and covalent compounds differ?
- 24 What determines the unique properties of an element?
- 25 What mixture has different properties throughout?
- 26 Which is matter that can vary in composition?
- 27 Is gold a mixture?
- 28 Is table salt a mixture?
- 29 What is difference between H * * * * * * * * * * mixture and heterogeneous mixture?
- 30 What is matter with a composition that is always the same?
- 31 Is blood a mixture?
- 32 What is the biggest difference between a compound and a mixture?
- 33 What is the difference between substance and compound?
- 34 What are the 4 properties of compounds?
- 35 Which of the following property does not describe a compound?
- 36 Can compounds have different properties than their elements have explain using an example?
- 37 What is the properties of elements and compounds?
- 38 Why does a compound have characteristic properties?
- 39 Do compounds maintain original physical properties?
- 40 Why do elements in the same group have similar properties?
- 41 Do elements in the same period have similar properties?
- 42 What is a property of a substance?
- 43 What are the different properties of matter?
- 44 How can you say that one substance is different from other?
- 45 Why do different elements have different atomic spectra?
- 46 Why do different elements emit different wavelengths?
- 47 Is there more than 100 elements?
- 48 What is the smallest particle of an element that still has the same chemical properties?
- 49 Can there be more elements than 118?
- 50 How are compounds and molecules similar?
- 51 What is difference between element and atom?
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52
How do molecules of elements and molecules of compounds differ in what ways are they similar?
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52.1
Related Posts
- 52.1.1 Do compounds have properties similar to those of their component elements?
- 52.1.2 Do compounds have compositions that vary?
- 52.1.3 Do compounds maintain the properties from the elements they were created from?
- 52.1.4 Do elements that make up the compound retain or lose their identities?
- 52.1.5 Do compounds retain their properties?
- 52.1.6 Do compounds have variable composition?
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52.1
Related Posts
Can compounds have different properties than their elements have explain using an example?
The chemical formula for salt is NaCl. A compound has different properties from the elements that form it. For example, the compound sugar contains the elements oxygen, carbon, and hydrogen.
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.
How are the properties of compounds and elements different?
Elements and compounds are pure chemical substances found in nature. The difference between an element and a compound is that an element is a substance made of same type of atoms, whereas a compound is made of different elements in definite proportions.
Do compounds have compositions that vary?
An element has a fixed composition because it contains only one type of atom. A compound always contains two or more elements in a fixed proportion. How do mixtures differ from pure substances? The properties of a mixture can vary because the composition of the mixture is not fixed.
What are properties of compounds?
Property | Ionic Compounds | Molecular Compounds |
---|---|---|
Physical state at room temperature | Solid | Gas, liquid, or solid |
Water solubility | Usually high | Variable |
Melting and boiling temperatures | Generally high | Generally low |
Electrical conductivity | Good when molten or in solution | Poor |
Why are the properties of different compounds so different from each other explain with examples Class 7?
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. Example: Just varying the number of carbon and oxygen atoms, we get carbon monoxide or CO (toxic gas) and carbon dioxide or CO2 (non-toxic gas).
Why do compounds have different properties?
The properties of compounds are different from the properties of the elements that form them—sometimes very different. That’s because elements in a compound combine and become an entirely different substance with its own unique properties. Do you put salt on your food? Table salt is the compound sodium chloride.
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.
Why do you think that properties of molecules are different than the properties of the individual atoms that make them?
However, the chemical properties are very different. This is because the atoms are arranged differently within the molecule. Molecular formulas cannot convey this information. Different kinds of formulas, called structural formulas, are needed to show molecular arrangements.
Do compounds have constant composition?
In any given chemical compound, the elements always combine in the same proportion with each other. This is the law of constant composition. The law of constant composition says that, in any particular chemical compound, all samples of that compound will be made up of the same elements in the same proportion or ratio.
What is one difference between a mixture and a compound?
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.
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.
Can ah * * * * * * * * * * mixture have variable composition justify giving an example?
Yes, homogenous mixture have a variable composition as the constituents are present in any ratio such as 1:2 or 1:3 etc.
Do compounds retain their properties?
The components of a compound do not retain their individual properties. Both sodium and chlorine are poisonous; their compound, table salt (NaCl) is absolutely essential to life. It takes large inputs of energy to separate the components of a compound.
Does a compound have properties?
Compounds have NEITHER the same chemical properties NOR the same physical properties as their constituent elements.
What are properties of elements?
All elements have properties. Those properties include, but are not limited to, conductivity, magnetism, melting point, boiling point, color, state of matter, and others. Elements with similar properties are grouped together in different areas of the periodic table of elements.
Do all substances have the same properties?
All samples of a pure substance have the same chemical and physical properties. For example, pure copper is always a reddish-brown solid (a physical property) and always dissolves in dilute nitric acid to produce a blue solution and a brown gas (a chemical property).
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.
Why do different compounds emit different colors of light?
Every element has its own characteristic set of energy levels. Thus, an atom of Na has different energy levels and transitions than an atom of Li. The different mix of energy differences for each atom produces different colours.
How can there be only 118 known elements but many millions of different compounds?
Physical Science
There are only 118 elements known yet but number of compunds is incredibly large. The reason being that these 118 elements react with each other and lead to the formation of compounds. You can imagine well that if any 1 element reacts with other elements then more than 50 compounds can be formed.
What is the difference between elements and components?
is that component is a smaller, self-contained part of a larger entity often refers to a manufactured object that is part of a larger device while element is one of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based.
How are atoms and molecules alike and different?
A molecule is made up of atoms bonded together. So, while an atom is its own separate entity, a molecule is what you get when those atoms bond together. These might be the same elements, such as two oxygen atoms bonded together (O2), or it might be different atoms bonded together like water (H2O).
How does the bonding between ionic compounds and covalent compounds differ?
An ionic bond essentially donates an electron to the other atom participating in the bond, while electrons in a covalent bond are shared equally between the atoms. The only pure covalent bonds occur between identical atoms.
What determines the unique properties of an element?
Atomic Number and Mass
Each element has its own unique properties. Each contains a different number of protons and neutrons, giving it its own atomic number and mass number. The atomic number of an element is equal to the number of protons that element contains.
What mixture has different properties throughout?
heterogeneous mixture. This is a mixture that has different properties throughout.
Which 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.
Is gold a mixture?
Although it’s formed by various types of atoms, gold jewelry is NOT a compound. It’s a mixture because gold has no definite composition.
Is table salt a mixture?
Table salt is a compound consisting of equal parts of the elements sodium and chlorine. Salt cannot be separated into its two elements by filtering, distillation, or any other physical process.
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.
What is matter with a composition that is always the same?
A pure substance is a form of matter that has a constant composition (meaning it’s the same everywhere) and properties that are constant throughout the sample (meaning there is only one set of properties such as melting point, color, boiling point, etc. throughout the matter).
Is blood a mixture?
The blood is a heterogeneous mixture of both solid and liquid parts. The plasma is the liquid part of blood that consists of salts, water and many proteins. The solid part of the blood consists of formed elements. Red blood cells (RBCs), white blood cells (WBC) and platelets are the formed elements of blood.
What is the biggest difference between a compound and a 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.
What is the difference between substance and compound?
In PubChem terminology, a substance is a chemical sample description provided by a single source and a compound is a normalized chemical structure representation found in one or more contributed substances.
What are the 4 properties of compounds?
- They have a variable composition.
- They have no definite properties.
- They can be separated by physical methods.
Which of the following property does not describe a compound?
The composition of two or more constituent elements have their own properties after mixing in a same or definite proportion. This property doesn’t describe a chemical compound.
Can compounds have different properties than their elements have explain using an example?
The chemical formula for salt is NaCl. A compound has different properties from the elements that form it. For example, the compound sugar contains the elements oxygen, carbon, and hydrogen.
What is the properties of elements and compounds?
An element is a material that consists of a single type of atom. Each atom type contains the same number of protons. Chemical bonds link elements together to form more complex molecules called compounds. A compound consists of two or more types of elements held together by covalent or ionic bonds.
Why does a compound have characteristic properties?
Compounds : A compound is a substance made up of two or more elements chemically combined in a fixed proportion by mass. A compound is formed as a result of chemical reaction, between the constituent elements. The properties of compound are different from the properties of the elements from which it is formed.
Do compounds maintain original physical properties?
In a mixture, each of the substances blended together keep their original properties. However, in a compound when the atoms of different elements bond together, a new substance is created with new properties.
Why do elements in the same group have similar properties?
Elements in the group have similar chemical properties. This is because their atoms have the same number of electron in the highest occupied energy level.
Do elements in the same period have similar properties?
They exhibit similar chemical properties. Elements within the same period have different number of electrons in their valence shells (the number is increasing from left to right) and different valence shell electron configuration. Therefore, elements in the same period are chemically different.
What is a property of a substance?
Characteristics such as melting point, boiling point, density, solubility, color, odor, etc. are physical properties. Properties that describe how a substance changes identity to produce a new substance are chemical properties.
What are the different properties of matter?
The properties of matter include any traits that can be measured, such as an object’s density, color, mass, volume, length, malleability, melting point, hardness, odor, temperature, and more.
How can you say that one substance is different from other?
Different substances have different properties; density is one property that can be used to tell two substances apart. Density is a property that does not depend on the shape or size of an object.
Why do different elements have different atomic spectra?
Different elements have different spectra because they have different numbers of protons, and different numbers and arrangements of electrons. The differences in spectra reflect the differences in the amount of energy that the atoms absorb or give off when their electrons move between energy levels.
Why do different elements emit different wavelengths?
Each element has a different set of allowed orbits, so each element emits or absorbs photons with different energies — and therefore, different wavelengths.
Is there more than 100 elements?
There are more than 100 known elements. More than 90 of them are found in nature on Earth. The others can be produced in laboratories. Each element is represented by a chemical symbol and an atomic number as shown in the periodic table on the next slide.
What is the smallest particle of an element that still has the same chemical properties?
Atoms. An atom is the smallest unit of a pure substance or element that can exist and still retain the properties of the original substance or element.
Can there be more elements than 118?
The International Union of Pure and Applied Chemistry (IUPAC) has announced that four new elements — with atomic numbers of 113, 115, 117, and 118 — will be added to the periodic table.
How are compounds and molecules similar?
A molecule is a group of two or more atoms held together by chemical bonds. A compound is a substance which is formed by two or more different types of elements which are united chemically in a fixed proportion. All molecules are not compounds. All compounds are molecules.
What is difference between element and atom?
An element is the simplest form of a substance. Generally, it cannot be simplified or broken down further into smaller particles. An atom is the part of an element. A particular element is composed of only one type of atom.
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.