Question

Which substances form covalent bonds?

Answer 1

Answer:they usually occur between nonmetals. For example, in water each hydrogen and oxygen share a pair of electrons to make a molecule of two hydrogen atoms single bonded to a single oxygen atom. In general ionic bonds occur between elements that are far apart on the periodic table.

Step-by-step explanation:

Answer 2

The answer to your question is: Nonmetals

Step-by-step explanation:

Covalent bonds is a chemical link between two atoms where they share electrons.

This kind of bond happens between two nonmetals or when the subtraction of the electronegativity of the elements in this bond is between 0.5 and 1.7.