Chemistry quiz (1)

When two elements combine the compound created ends...

• ...in ate

• ...with ide

• ...the same way

when three or more different elements combine, with on go them being oxygen, what does it end with?

Draw the ionic bond diagram for NaCl

what is the symbol for Sodium Oxide

• NaCl

• NaO

• Na2O

• Na2O2

What type of bond is between sulphur and chlorine?

Answer explanation

what force holds sodium and chlorine together in sodium chloride?

What is oxygen?

• a diatomic molecule

• in pairs

what is an ion?

• A type of rock formation
• A unit of measurement for energy
• an atom

• A charged molecule

what happens to a metal atom when it loses its outer most electron?

• It becomes a positively charged ion.
• It becomes a negatively charged ion.
• It becomes a neutral atom.
• It becomes a superconductor.

the number of positive charges on a metal ion is...

• Equal to the number of electrons lost

• Equal to the number of electrons gained

• Equal to the number of electrons it has