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8th grade Science

Atom test review

QuestionAnswer
What kind of charge does protons have? positive +
What kind of charge does electrons have? negative charge -
What kind of charge does neutrons have? no charge, neutral charge
What forms or makes up the nucleus? protons and neutrons
Where are the protons? inside the nucleus
Where are the electrons? on the outer circles and on the "cloud"
Where is the electron shelf? on the "cloud"
What has the same number as the atomic number? protons and electrons
What does an atom need to be neutral? have equal protons and electrons
Where are the neutrons? inside the nucleus
What is the number called in front of the element? the coeffecient
What is the number called that is in back of the element ? the subscript
What 4 things can you find in an element box? atomic number, chemical symbol, chemical name, and the atomic mass
What has the same number as protons and electrons? atomic number
Atoms are made of what particles? protons, neutrons, electrons
How do you find the neutron number? the atomic mass minus the protons
What orbits or goes around the nucleus? electrons
Where can you find all known elements? on the periodic table
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