The name of the sub-atomic particles in the nucleus of atom are protons and neutrons
Hope it helps you!!!!
A - 1 CH4+ 1 O2 = 1 CO2+2 H2
b - 2 Al+3 Cl2 = 2 AlCl3
c - 1 CH2O+ 1 H2 = 1 CH3OH
*The ones that have the coefficient of 1 you can leave blank but if you have to put a number just put 1
I think the answer is a i hope it helps
A solid is hard and the molecules are packed together, a liquid can move around freely because the molecules aren't as packed together :)