All About Atoms Crossword Puzzle
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QUESTIONS LIST:
- orbital : electrons are found here
- atomic number : number of protons in a nucleus of an atom
- cation : positively charged ion
- neutron : particle in an atom's nucleus with no charge
- anion : negatively charged ion
- mass number : protons + neutrons in a nucleus
- mole : 6.02 x (10)23
- electron : negatively charged particle found in the shell
- valence electron : an atom in the outer shell
- isotope : two atoms of the same element having different numbers of neutrons
- photon : a packet of light
- proton : positively charged particle in an atom's nucleus
- nucleus : contains protons and neutrons
