Create a concept map using the words Atom Subatomic particles
Periodic Table
Metals
Nonmetals
Molecules
States of Matter
Energy Transfer
Chemical Changes and Properties
Physical Changes and Properties
and a addition 10 words of your choice.

I h

Explanation:

I have no clue

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

"the periodic table is arranged in order of atomic number."