What does this mean and how do I answer?

Your roll: experienced electron speech is adressed to: a new "freshman class" of electrons job: write a speech task: you are to pretend that you are giving a speech to a new group of electrons. be sure to mention their placement in an atom, their charge, and their role in chemical bonding (ionic and covalent) be specific!

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

Which atom or ion is the largest? 0 a. 0 0 0 0 e. li