N - 15 undergoes beta decay and has a half-life of less than 1 minute.
The correct answer is D hydrogen and chlorine need to be balanced there's an equal amount of magnesium on each side. I just took the test and got the correct answer.
13.6 mol of CuCl2
you wanna use the factor label
Answer: d Positive particles in the nucleus are attracted to shared electrons, so the atoms stay close together.
Explanation:
A) Metal has luster
Metals are ductile, malleable, and good conductors of heat.
