Answer:
2 pair of an electron
Explanation:
carbon having 6 valence electron 2 electron involved in covalent bonding so 4 electron means 2 pairs of an electron will left.
A chemical energy like burning
Answer:
When they like engage their students at a high level
Probably do some hands on experiments with their students so that the kids can actually have some fun.
When they know their students learning styles .
Explanation:
I don't know it just came to my mind. This is what I'd expect from a good science teacher.
Answer:
D
more protons in the nucleus pull the electrons in, making the atomic radius smaller
Explanation: A p E X !! :)