Acids increase the concentration of hydronium ions in solution by donating hydrogen ions to water molecules. O True
Thing
O False

a electronegativity decreases beacuse the size of nucleus is bigger.

1. a)c-14 has two more protons

2. d)they have different numbers of protons, neutrons, and valence electrons; they are all gases at room temperature.

3. c) iron and nickel.

the right answer is c i just did the question.