Atoms and Atomic structure

What is the atomic number of Oxygen?

• 8

• 16

• 24

• 32

What is the mass number of Oxygen?

• 8

• 16

• 24

• 32

A sub-atomic particle that carries a negative charge and its mas is negligible.

• Neutron

• Proton

• electron

A sub-atomic particle that carries a positive charge and its mas is 1 a.m.u

• Neutron

• Proton

• electron

A sub-atomic particle that has no charge and its mas is 1 a.m.u

• Neutron

• Proton

• electron

The smallest building block of matter.

• Element

• atom

• molecule

• compound

Label the diagram

E is ...................................

• Neutron

• Nucleus

• Energy shell

• Proton

• electron

Label the diagram

C is ...................................

• Neutron

• Nucleus

• Energy shell

• Proton

• electron

Label the diagram

A is ...................................

• Neutron

• Nucleus

• Energy shell

• Proton

• electron

Label the diagram

B is ...................................

• Neutron

• Nucleus

• Energy shell

• Proton

• electron