What charges do the following ions have? mg al o k n br

Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?

Covalent compounds: mastery test select the correct answer what is formed when atoms join together with a covalent bond? a. an ion b. a molecule c. a neutral atom d. a noble gas

Elizabeth has two separate samples of the same substance. sample is in the liquid state, and the other is in the solid state. the two samples most likely differ in which property?