Atomic structure and Ions

An ion is positively charged. What type of ion is it?

• anion

• an ion

• cation

• cathode

Which configuration is correct for oxygen

• 1s2 2s2 2p1

• 1s2 2s1

• 1s2 2s2 2p4

How many protons does an atom of carbon have?

• 2

• 4

• 6

• 8

How many neutrons does an atom of oxygen have?

• 0

• -1

• 8

• 16

What element has a mass of 23 AMU?

• Jo

• Na

• C

• Co

What is the charge on an electron?

• neutral

• +1

• -1

What charge is an atom of oxygen likely to have?

• +2

• -2

• +1

• -1

• neutral

What charge is an ion of magnesium likely to have?

• -2

• +2

• -1

• +1

• neutral

What is the charge on a neutron?

• positive

• negative

• neutral

A cation has a ___ charge.

• positive

• negative

• neutral