[fast please, no links] "Complete a combining ratio of Lithiym and Oxygen."

Also what is a combining ratio and how do you write one? I never learned this

How do you determine the percent yield of a chemical reaction

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

What volume of argon gas is equal to 1.60 grams of argon