Will mark as brainliest. explain why can two nonmetals bond together, but two metals cannot? a) metals will only form covalent bonds. b) nonmetals can share pairs of electrons and form ionic bonds. c) nonmetals can share pairs of electrons and form covalent bonds. d) metals will only share electrons and therefore cannot form ionic bonds.

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?