Mber of
rotons
number of | atomic mass
neutrons number number
20 та тв
element
(symbol)
20
de
19
the periodic table, complete the table to describe each atom. type in your

Explain why pure hydrogen cyanide does not conduct electricity, but become a conductor when it is dissolved in water? (at room temp, pure hcn exists as a volatile liquid)

Is powdered sports drink ionic or covalent ? 10pts !

Areaction in which products can react to re-form reactants is