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20 questions
What does the 6 represent?
atomic mass
atomic number
element name
chemical symbol
What does 12.011 represent?
atomic mass
atomic number
element name
chemical symbol
What does the C represent?
atomic mass
atomic number
element name
chemical symbol
Beryllium has how many protons?
4
9.0122
2
13.0122
Protons have a _____________ charge.
positive
negative
neutral
neutrons have a _____________ charge.
positive
negative
neutral
electrons have a _____________ charge.
positive
negative
neutral
What sits in the nucleus of the atom?
electrons and protons
protons and neutrons
neutrons and electrons
just neutrons
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