covalent bonds Flashcards
1
Q
covalent bonds join what into what through what?
A
atoms; molecules; electron sharing
covalent bonds join atoms into molecules through electron sharing
2
Q
in covalent bonds, what happens?
A
2 atoms share 1 or more pairs of outer shell electrons, forming molecules
3
Q
hydrogen atoms form single bonds
A
H-H
4
Q
oxygen atoms form 2 bonds
A
O=O
5
Q
nitrogen atoms form 3 bonds
A
N=N
6
Q
carbon atoms form 4 bonds
A
O=C=O
