What 2 subatomic particles are found here? Charge? Size?

What subatomic particles are in rings around the nucleus? Charge? Size?

If the atom is neutral, what is the atomic number?

What element is this?

If the atom has the same # neutrons as protons, what would be it’s atomic mass?

If you added another neutron, you would have a different ______

If you added another proton, you would have a different ______

Which electron- A or B- has more potential energy? Why?

How many more electrons could fit in the outermost shell?

These sheets are subdivided into ______ that hold _____ electrons each.

Which atomic particle may be lost/gained in chemical reactions? Why would atoms lose/gain them?