science crossword help?

Question

1.) an electron arrangement where the outermost shell contains 2 or 8 electrons ( 6 letters)
2.) areas within cloud where electrons are found (6 letters)
3.) elements with outer shell containing 1 more electron than a stable number ( 2 words and 13 letters)
4.) number of electrons gained, shared or lost when atom combines (7 letters)
5.) force joining atoms together ( 2 words and 13 letters)

Answer 1

1) S-T-A-B-L-E or F-I-L-L-E-D (probably "stable" since the word is used in one of the other clues)

2) O-R-B-I-T-A-L-S (It's 8 letters; did you make a typo?)

3) A-L-K-A-L-I M-E-T-A-L-S (13 only if you count the space)

4) V-A-L-E-N-C-E

5) C-O-V-A-L-E-N-T B-O-N-D (again counts the space)