When I was on the phone with my bio teacher I asked she said endothermic
Answer:
Explanation:
10=no. of molecules/6.022*10^23
=6.022*10^24
Covalent bonds form when electrons are shared between two nonmetals. A covalent bond involves a pair of electrons being shared between atoms.
Atoms form covalent bonds in order to reach a more stable state.
A given nonmetal atom can form a single, double, or triple bond with another nonmetal. Which type of bond is formed between the atoms depends on their numbers of valence electrons.