Someone pls help me I need this rn :D

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

Freezing and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What is the percentage of hydrogen in nitrogen trihydride