3. Which of the following chemical equations is balanced? * N2+H2 → NH3
N2+3H2→ 3NH3
N2+3H2→ 2NH3

hi,

the capital city of australia is canberra.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.