1.

Give one word or a phrase for the following statements1. A polyatomic ion with one unit positive change2. A representation of a molecule of an element or compound3. The charged porticles formed when an atom (or a group of atoms) gains or loses electrons4. A chemical substance that citers the chemical reochon without itself undergoing anychemical change5. A chemical reaction indocted by two half crowheads pointing in oooosite direchons​

Answer»

ANSWER:

HYDROGEN

HELIUM 2,1

positive or NEGATIVE IONS



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