If an atom has 17 protons, 18 neutrons, and 17 electrons, what is the mass of this atom?
a: 17
b: 18
c: 35
d: 52

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!

Which best describes how johannes kepler developed his laws of planetary motion

Draw the lewis dot structure for each of the following polyatomic ions