Write the molecular formula for a compound with the possible elements c, h, n and o that exhibits a molecular ion at m+ = 128.063.

In which environment would primary succession occur? a forest with a few remaining trees after a recent wildfire an area of exposed rock after a glacier melts away beach that is exposed to the air at low tide an abandoned baseball field in a small town

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?

Compare and contrast the bohr model and the electron cloud models of the atom.