Atoms, Elemnts And Compounds

Question 1

What is an atom?

Answer 1

The smallest part of an element that can exist, it has no charge

Question 2

What is an element?

Answer 2

It only contains 1 type of atom and has 100 different elements each represented by a symbol e.g O

Question 3

What is a Compound?

Answer 3

Two or more elements chemically combined, they can only be separated into elements by chemical reactions

Question 4

What is the central nucleus?

Answer 4

It contains protons and neutrons in the middle of an atomic structure

Question 5

What is electronic shells?

Answer 5

They contain electrons outside of the central nucleus in the electronic structure

Question 6

What is the relative mass and charge of a proton?

Answer 6

Relative charge = +1
Relative mass = 1

Question 7

What is the relative mass and charge of a neutron?

Answer 7

Relative charge = 0
Relative Mass = 1

Question 8

What is the relative mass and charge of an Electron?

Answer 8

Relative Charge = -1
Relative Mass = very small