The Atomic Nature Of Matter

Question 1

What is a chemical change

Answer 1

• A Chemical Change is when atoms arrange in a different way to give us a new substance called a compound.

Question 2

When does plasma occur

Answer 2

It occurs when matter is placed under high pressure and at a very high temperature.

Question 3

What is matter

Answer 3

Matter: is anything that has mass and takes up space.

Question 4

What is an atom

Answer 4

Atom: the smallest part of a chemical element that can exist.

Question 5

What is an element

Answer 5

• Element: a substance that contains only one type of atom.

Question 6

What is a molecule

Answer 6

• Molecule: a group of atoms joined together.

Question 8

What is a particle

Answer 8

• Particle: things that make up matter.

Question 9

What is a substance

Answer 9

Substance: matter that has the same make-up and properties throughout.

Question 10

What is a mixture

Answer 10

Mixture: two or more different substances physically combined; the physical change is easily reversible.

Question 11

What is a compound

Answer 11

• Compound: when two or more different elements combine together chemically. This change is very difficult to reverse and a new substance is formed.