Question

Use a periodic table to find the elements that are most abundant in our Oceans:

A) H, Cl, O


B) Al, Fe, Ca, Na, K, Mg, O, Si


C) N, O, Ar


d) H, N, Ca, P, O, C

Answer 1

The correct answer is A

Step-by-step explanation:

Hydrogen, oxygen, chlorine are the most abundant elements in oceans.

Oxygen is 85.84% by mass

Hydrogen is 10.82% by mass

Chlorine is 1.94% by mass