C1.1, 1.2, 1.5, 1.8

Question 1

Definition of An atom, it’s radius and it’s nucleus

Answer 1

The smallest part of an element you can get, it’s radius is around 0.1nm and it’s nucleus is around 1/10,000 of its radius

Question 2

Element

Answer 2

An element only contains one type of atom

Question 3

Compounds

Answer 3

2 or more elements chemically joined together

Question 4

Proton: Location, Relative mass and Electrical charge

Answer 4

Location: Nucleus, Relative mass: 1, Electrical charge: +1

Question 5

Neutron: Location, Relative mass and electrical charge

Answer 5

Location: Nucleus, Relative mass: 1, Electrical charge: 0

Question 6

Electron: Location, Relative mass and electrical charge

Answer 6

Location: Electron cloud around nucleus, Relative mass: 1/1836, Electrical charge: -1

Question 7

Atomic number

Answer 7

The number of protons in an atom (sometime called the proton number)

Question 8

Mass number

Answer 8

Number of protons plus the number of neutrons in the nucleus of an atom

Question 9

Ion

Answer 9

An ion is an atom that has gained or lost electrons and is now changed

Question 10

Isotopes

Answer 10

Atoms with the same atomic number but not atomic mass, they may have differeing physical properties such as density