5. Because of its high reactivity, which element is normally found only combined with other atoms? a. sulfur
b. lithium
c. argon
d. gold

If a 12-v battery is connected to a circuit that has a current of 3.0 a, what is the total resistance in the circuit? 36 ohms 4 ohms 0.25 ohms

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

How many atoms are there in 5.70 mol of mg