Periodic Table Crossword

a positively charged subatomic particle in the nucleus of an atom
a neutral subatomic particle in the nucleus of an atom
a negatively charged subatomic particle found in the energy level of an atom
an electron in the outermost energy level of an atom
total number of protons and neutrons in an atoms nucleus; the number of nucleons
abbreviation for an element's name
vertical column in the periodic table, also known as a family; elements in this column have similar physical and chemical properties
horizontal row of elements in the periodic table, atomic number and mass increases across this row
smallest particle an element can be divided and still be that same element; building block of matter
Invented the periodic table
interaction that holds atoms or ions together either by sharing electrons or giving away / taking electrons
number of protons in the nucleus of an atom (also the number of electrons if it's not an ion)
arrangement of elements into families and rows
​Group 17 nonmetals on the periodic table that contain 7 valence electrons.
​Group 18 elements on the periodic table that contain 8 valence electrons
group of atoms held together by a chemical bond
very simplified representation of the valence shell electrons in a molecule
very dangerous element
an element or substance that is not a metal.
element that makes your burps and farts stink