List 3 ways to speed up the rate of a chemical reaction

Increase the temperature of the beaker using a hotplate/burner/stove

Increase the concentration of silver nitrate or copper wire

Cut the copper wire into smaller pieces to increase its surface area

Use a catalyst, if one exists

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.