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6 Cards in this Set

  • Front
  • Back
What are
1. protons
2. neutrons
3. elections?
1. postive charge
2. neutrual charge
3. negative charge
What is the atomic #?
The number of protons in the nucleus
What is the mass #?
The Neutrons minus the protons.
What is atomic Theory?
states that atoms are the building blocks of all amtter
What is a compound?
pure substance composed of atoms of two or more elemetns that are chemically combined
Which of Daltons theory still apply to the structure of an atom?
three, four, and five.