An atom or ion has 41 neutrons, 36 protons. and 36 electrons. Identify the clement symbol, and and charge for this atom or ion.
determine the mass number

Schrodinger and heisenberg developed an alternate theory about atomic nature that contradicted some of bohr's model of the atom. how do changes resulting from new technology and evidence affect the reputation of the atomic theory?

May someone me with these science questions

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