Periodic Table Crossword

What atom is negative?
a family group.(helium, Neon, Argon, Krypton, Xenon, Radon
A family group. (berylium, magnesium, Calcium, Strontium, Barium, Radium)
What atom is neutral?
What atom is positive?
What are the columns called?
Electron on the outter most ring
Matter cannot be created or destroyed
Number behind element symbols indicating how many in each molecule
Substances resulting from a chemical reaction on the right side.
A chemical bond formed by the sharing at one or more electrons between atoms.
Father of the periodic table of elements?
The number of protons in the nucleus of an atom.
The name of the rows going across the periodic table
this bond happened when a metal and a nonmetals electrons are taken and not shared
Number in front of chemical substances indicating how many molecules
(1 of 2 or more atoms that have the same number of protons but a different number of neutrons
An atom or group of atoms with a net electric charge
Substances participating in a chemical reaction on the left side.
This model was created by Niels Bohr