Which of the following cannot have a charge of +2? * Sulfur
Calcium
Magnesium
Strontium

by cartels in other countries, shipped by air, mail, or land. i cant really see your answer choices : /

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates