SCIENCE IS FUN Crossword

Found in center of atom
These attract electrons and keeps them in place
Attracted to protons in atoms
Provides stability for atom
Where electrons are most like to be
Number of protons in nucleus in an atom
When an atom contains same amount of protons, but different amount of neutrons in necleus
Weight of atoms
An electric charge due to the lack or gain of electrons in an atom
When there are more protons than electrons in an atom
When there are more electrons than protons in an atom
Horizontal row on periodic table
Column on periodic table
Conduct electricity and heat well
Poor conductors of heat and electricity
Have properties of non metals and metals
Found in Group 1 of periodic table
Somewhat reactive and found in Group 2 of periodic table
Not reactive and very common on periodic table
Often used to kill microorganisms, nonmetals, and very reactive
Almost never react with any other elements
When number of protons change in an atom
When atoms produce energy and particles