You recently discovered a new element, and find that this particular element has one electron in its outer energy level. what would you expect will happen to an atom of this element if placed in water?

h let me think

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.