Chemistry

Guest

29 June, 10:38

Elements are organized on the periodic table based on their properties. Which statement correctly predicts and explains the chemical reactivity of two metals?

A) The alkali metal atom forms a + 1 ion, while the alkaline earth metal atom forms a + 2 ion.

B) The alkali metal atom forms a + 2 ion, while the alkaline earth metal atom forms a + 1 ion.

C) The alkali metal atom has one less shell of electrons than the atom of the alkaline earth metal.

D) The alkali metal atom has one more shell of electrons than the atom of the alkaline earth metal.