Mass number is the total number of protons and neutrons in the nucleus
30 kg m/s
momentum = mass x velocity = 10 x 3 m/s =30 kg m/s
Answer:lmk when u have the answer
Explanation:
The amount of molecules assembled, the processes performed on the substances. I'm not exactly sure of the question to be honest, but there's a start
Answer: What best describes the reaction is "A single replacement reaction takes place because zinc is more reactive than hydrogen."