Question

Define the following:-

(1) Solid, liquid and gas.
(2) Atoms
(3) Molecules
(4) Pure substances
(5) Element
(6) Compound
(7) Mixture

I need you to define all of them.

Answer 1

Explanation:

Atom=atom means a small particles , they are smaller than anything that we can imagine or compare with

Atomic radius is measured in nano meter

Mixture=mixture means are constitute by more than one kind of pure form of matter

Molecules=A molecules is in general a group of two or three or more atoms that are chemically bonded together

Answer 2

Answer:

Gases, liquids and solids are all made up of atoms, molecules, and/or ions, but the behaviors of these particles differ in the three phases. The following figure illustrates the microscopic differences. Microscopic view of a gas.Microscopic view of a liquid.Microscopic view of a solid.

Particles in a:

gas are well separated with no regular arrangement.

liquid are close together with no regular arrangement.

solid are tightly packed, usually in a regular pattern.

Particles in a:

gas vibrate and move freely at high speeds.

liquid vibrate, move about, and slide past each other.

solid vibrate (jiggle) but generally do not move from place to place.

Explanation:

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