Atomic Structure-Paper 1

Question 1

What is an atom?

Answer 1

The smallest particle that exists. Still behaves as that element.

Question 2

What are atoms made up of?

Answer 2

Subatomic particles.

Question 3

What are the three subatomic particles?

Answer 3

Protons, Neutrons, and Electrons.

Question 4

What subatomic particle determines what element it is?

Answer 4

The protons.

Question 5

Relative masses of the subatomic particles?

Answer 5

Protons, 1
Neutrons 1
Electrons 0.0005

Question 6

What keeps the electrons in orbit around the atom on the shells?

Answer 6

The attraction between the protons and electrons.

Question 7

Difference between elements and compounds?

Answer 7

Elements are made up of one type of atom
Compounds are made up of different elements
Compounds are chemically combined