Question

what does the position of lithium on the periodic table tell you about its tendency to react with other elements? it is in the second row, so it tends to gain two electrons. it is in the second row, so it tends to lose two electrons. it is in the first column, so it tends to lose one electron. it is in the first column, so it tends to gain one electron.

Explanation:

Lithium is in Group 1 (first column) of the periodic table. Elements in Group 1 are alkali - metals and have 1 valence electron. They tend to lose this single valence electron to achieve a stable electron configuration.

Answer:

It is in the first column, so it tends to lose one electron.