If an atom has 5 electrons outside of its nucleus, which combination of protons and neutrons would result in a neutral atom?

What is the polyatamic ion of thiosulfate

The diagram below shows the movement of particles. what does this piece of evidence best support? the collision theory the maxwell-boltzmann distribution the effect of pressure on reaction rates the effect of temperature on reaction rates

Athe top of a hill, an athlete on a skateboard has x joules of mechanical energy. how much mechanical energy will she have at the bottom of the hill? ignore the effects of friction.