Which of these elements does not exist as a diatomic molecule?
a. ne
c. h
b. f
d. i

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

How do you lengthen a pattern piece? (family and consumer science, sewing)

What substance has a mass of 9.5g and volume of 2.1cm^3