Share electrons Swap electrons Share neutrons Swap protons
An alkali metal A metal with one or more non-metals Only metals Only non-metals
A molecule A metal alloy An alkali An acid
1 2 4 8
Very weak Weak Strong Good conductors of electricity
A giant ionic lattice A giant molecule A transparent crystal A good conductor of electricity
It is black It is shiny It has strong protons between its layers It has free electrons between its layers