Practice problem
Two neutral atoms have the same number of electrons. Are they the same element?
No, elements are defined by number of protons, not number of electrons.
No, they are isotopes of each other.
Yes, they are ions of each other.
Yes, if they have the same number of electrons and are neutral, they must have the same number of protons.
Type a concept, like “slope” or “photosynthesis”.
