Is pasta and water magnetism, state of matter, or solubility?
please helpp!!

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

What is the work done by the electric force to move a 1 c charge from a to b?