To complete its outer valence electron

To complete it's inner valence electron

To support the nuclues

None of the above

a chemical hold

a chemical bond

a chemical connection

an atomic bond

outer electrons

valence electrons

negatives

protons 

neutrons 

valence electrons

any electrons 

They all have 2 valence electrons and don't have to

their outer energy level/orbit is empty 

their outer orbit is full of valence electrons

they all have 8 neutrons

1

2

4

8

To have the most electrons 

To become stable 

To gain protons 

To be like the halogens 

the number of valence electrons

By counting valence e- and open valences it has, whichever number is larger will be the number of bonds

By counting valence e- and open valences it has, whichever number is smaller will be the number of bonds.

the group number

They will usually take 2 electrons.

They will usually give 1 electron.

They will usually share 1 electron.

They will usually take 1 electron.

valence1count columns

valence, open, number

valence, closed, number

valence, bond, number