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Chemistry Oct 2015

Across
Number of protons in each atom of a specific element
Holds the nuclear particles together
Positively charged particles
Mass is not created or destroyed
The measurement of mass
A particle with no charge
From the center of the nucleus to the outer edge of the electron cloud
Down
The mass of one mole of pure substance
Negatively charged particles
Best car ever made
Total number of protons and neutrons in an atom
Where are the electrons found in an atom
Atoms of an element with different masses
Masses of atoms are expressed in what
Smallest particle of and element