1.
positively charged subatomic particle found in the nucleus
2.
negatively charged subatomic particle found in energy levels
3.
neutral subatomic particle found in the nucleus
4.
dense center of the atom that has a net positive charge
5.
shells around the nucleus in which electrons can be found
6.
a unique number given to each element, equal to the number of protons
7.
an abbreviation used to represent an element’s name
8.
the row of the periodic table an element is located, equal to the number of energy levels an atom has
9.
the column of the periodic table an element is located, often equal to the number of electrons in the outer shell of an atom
10.
mass - the sum of the number of protons and neutrons in an atom
