Answer:
B. They all have molecules in motion.
Explanation:
All substances have molecules in motion, this is because all substances have an average kinetic energy (temperature) of over 0 K.
The answer would be b) energy
Answer:
a bright line spectrum is prodecued when an electron falls from a higher energy state
Explanation:
not sure if this is the exact answer you're looking for but it should be similar
Answer:
The more polar the molecules, the stronger the force. The more hydrogen in the molecule, the stronger the force.
Explanation:
I hope this helps and please ask if you need further help!
Answer:
Copper is 2+ and carbide is 2-