LESSON 1

Question 1

It has definite shape and volume. Particles are tightly packed.

Answer 1

SOLID

Question 2

It has indefinite shape and has definite volume. Particles are far from each other.

Answer 2

LIQUID

Question 3

It is a matter that has a definite composition and distinct properties. It can either be an element or a compound.

Answer 3

Pure Substances

Question 4

It is the simplest form of matter since it is composed of one kind of atom. It is a pure substance that cannot be decomposed into a simpler substance by ordinary chemical means.

Answer 4

Element

Question 5

It is a chemical substance that forms when two or more different elements combine in a fixed ratio. An important characteristic of this is it has a chemical formula, which describes the ratio in which the atoms of each element in the compound occur.

Answer 5

Compound

Question 6

They are made up of two or more substances combined physically in variable proportions.

Answer 6

Mixtures

Question 7

It is also called a solution, is relatively uniform in composition. It is composed of a solute or the dissolved substance, and a solvent or the dissolving medium.

Answer 7

Homogeneous mixture

Question 8

A mixture whose composition consist of 2 or more physically distinct phases.

Answer 8

Heterogeneous mixture