What is the majority of water on earth's surface located. A. Lakes
B. Rivers
C. Glaciers
D. Oceans

What elements have 2 electrons inthe 4s sublevel

Astudent is asked to identify and element that is pale yellow brittle solid and does not conduct electricity. at which location in this periodic table would the element most likely be found?

In the lab, ammonia was mixed with water to form ammonium hydroxide. what is/are the reactant(s)? o water and ammonia o ammonia o ammonium hydroxide need