PLEASE HELP! 7. Use common charges to write a balanced formula for the following:
a) Calcium Fluoride= b) Sodium Nitride=
e) Iron II Phosphate= f) Chromium IV Nitrite=
8. State which TYPE of element has the following properties ( Metal, Nonmetal, Semimetal)
a) Solid Conductor b)Semiconductor c) Nonconductor

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.

Answer asap need it by wednesday morning calculate the ph of 0.02m hcl best answer will be brainliest

Apropane torch is lit inside a hot air balloon during preflight preparations to inflate the balloon. which condition of the gas remains constant