Question

B. Fill in the blanks.
1. Molecule is the smallest particle of a_______
that can exist independently.
2. Two or more atoms of______
elements combine together chemically to
form a compound.
3. A______
can be separated into its components by chemical or physical mean.

4. The_____
of a mixture are similar to the properties of its components.
5. A pure substance can be further divided
into____
and______​

Answer 1

1. element
2. same
3. mixture
4. constituents or components
5. element and compound

Answer 2

Answer:

1) substance

2) constituent

3) heterogeneous mixture

4) homogeneous

5)elements and compounds.

Explanation:

1) Molecule - The smallest particle of a substance which can exist independently and retain properties of the substance. Radical - A group of atoms which acts as a compound and exists independently.

2) Elements can be chemically combined into compounds, therefore, a compound consists of two or more elements combined, in definite proportions, by chemical means. Compounds may be formed by combining atoms of their constituent elements by ionic bonds or by covalent bonds.

3) A heterogeneous mixture is a mixture of two or more chemical substances (elements or compounds), where the different components can be visually distinguished and easily separated by physical means. Examples include: mixtures of sand and water.

4) The homogeneous of a mixture are similar to the property of its component. Explanation: Homogeneous mixture is a type of mixture in which the composition is uniform and every part of the solution has the same property.

5) Pure substances are further broken down into elements and compounds. Mixtures are physically combined structures that can be separated into their original components. A chemical substance is composed of one type of atom or molecule.