Answer:
D
Explanation:
I'm doing USA test prep and I got it right
Answer:Two more hydrogen atoms will be required
Explanation:
A carbon atom has 4 valence electrons in its outermost shell,thus it can form 4 covalent bonds.Two pairs of electrons are shared in a double bond between C-C atom.two more electrons are left which is shared with two hydrogen atoms.
The molecules are frozen in place but still vibrate
(0.48 gram) x (1mole / 4.0 gram) = 0.48/4.0 = 0.12 mole
