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ELements and Atoms JD Crossword

Horizontales
Data collected from natural recorders of climate *Bonus*
positively charged subatomic particle
''When elements are arranged in order of increasing atomic number, there is a periodic repetition of their chemical and physical properties''
Atomic mass unit
Another word for ionizing radiation
Energy in the form of waves/particles, emitted from a source and traveling through space
Group IA
Opposite of Metal
A material that will conduct electricity but not everywhere
A unit of a chemical element
Atomic number of 81
Verticales
What system is nested within a molecule?
Number that describes the number of protons in an element
Negatively charged subatomic particle
Symbol that describes it element using a letter or two
what is the name of the positively charged electrode in the cathode ray tube
Group 8A
Ancient climate Bonus**
Substance with no fixed shape or size
Radon is a...
Uncharged subatomic particle
Where are the halogens on periodic table