Question

Sodium tends lose a single electron in natural settings. Based on what you know, what are two other elements that tend to do the same thing?

Question 4 options:

sodium and magnesium

hydrogen and helium

beryllium and boron

potassium and rubidium
**I said D**,

Answer 1

D. potassium and rubdium

Answer 2

Pottasium and rubidium are quite similar and lose an electron in a natural setting. Both elements are known to ignite spontaneously in air. Rubidium forms amalgams with mercury and alloys with gold, iron, caesium, sodium, and potassium. It does not do so with lithium.