From the illustration of the potassium atom fill in the periodic table selection

2 electrons

8 electrons

8 electrons

1 electron (just count in the rings for these ones)

19 protons (it says "P=19" in the middle. The P stands for Protons)

K (it's from Latin medieval Latin "kalium")

39 (add proton and neutron amounts to get the approximate atomic mass--electrons are negligible)

Explanation:

c, liquids evaporate, creating a gas