Which part of the atom forms chemical bonds?
a. the inner electrons
b. the outermost electrons
c. the outermost protons
d. the nucleus

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