Atoms are made up of what?
Which of the following are subatomic particles? (Check all that apply)
Which subatomic particle has a positive charge?
Which subatomic particle has a negative charge?
Which subatomic particle as no charge, also known as a neutral charge?
What is the center of an atom called?
The nucleus of an atom contains which subatomic particles?
protons and electrons
protons and neutrons
electrons and neutrons
protons, electrons, and neutrons
which explanation of this notation is correct?
12 is proton #
6 tells you there are 6 neutrons
6 tells you there are 6 protons
12 is not a mass # here
What is the mass number of "F"