Which of the following is an example of climate? The polar regions have long winters and short, cool summers.

Humidity levels are high today.

Canada experienced an unusually warm summer this year.

Tornados formed across Oklahoma yesterday.

since the atomic number is the number of protons in the nucleus, as we move to the left on the periodic table, the electrostatic pull between the nucleus and the valence electron shell decreases. as we move down a group (vertical column), the valence shell energy level gets further and further from the nucleus.