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If an atom an atomic number of 24 and a mass of 49, how many protons does the atom have?
J.J Thomson
protons and neutrons
exothermic reaction
24
precipitate
protons and neutrons
equal number of protons and electrons
Democritus
Which scientist came up with the term Atom?
J.J Thomson
protons and neutrons
exothermic reaction
24
precipitate
protons and neutrons
equal number of protons and electrons
Democritus
When steel wool in put into vinegar a chemical reactions starts and the temperature rises. This is an example of a:
J.J Thomson
protons and neutrons
exothermic reaction
24
precipitate
protons and neutrons
equal number of protons and electrons
Democritus
What part of the subatomic particles are found in the nucleus?
J.J Thomson
protons and neutrons
exothermic reaction
24
precipitate
protons and neutrons
equal number of protons and electrons
Democritus
Why does an atom have a neutral charge?
J.J Thomson
protons and neutrons
exothermic reaction
24
precipitate
protons and neutrons
equal number of protons and electrons
Democritus
The atomic mass of an atom is equal to the number of:
J.J Thomson
protons and neutrons
exothermic reaction
24
precipitate
protons and neutrons
equal number of protons and electrons
Democritus
Which scientist discovered the electron in atoms?
J.J Thomson
protons and neutrons
exothermic reaction
24
precipitate
protons and neutrons
equal number of protons and electrons
Democritus
Use a periodic table, how many protons,
J.J Thomson
protons and neutrons
exothermic reaction
24
precipitate
protons and neutrons
equal number of protons and electrons
Democritus
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