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How are the isotopes of an element different from one another?
All of the above.
Democritus
electron
Move to a higher energy level
Both answers 1 and 3.
Thomson
Subtract its atomic number from the mass number.
Most probable locations of electrons in the atom.
How would you find the number of neutrons in an atom?
All of the above.
Democritus
electron
Move to a higher energy level
Both answers 1 and 3.
Thomson
Subtract its atomic number from the mass number.
Most probable locations of electrons in the atom.
Who named the smallest particle in matter as atomos?
All of the above.
Democritus
electron
Move to a higher energy level
Both answers 1 and 3.
Thomson
Subtract its atomic number from the mass number.
Most probable locations of electrons in the atom.
Who's model provided the first evidence that atoms can be divided into smaller particles?
All of the above.
Democritus
electron
Move to a higher energy level
Both answers 1 and 3.
Thomson
Subtract its atomic number from the mass number.
Most probable locations of electrons in the atom.
Which of the following is a part of Dalton's atomic theory?
All of the above.
Democritus
electron
Move to a higher energy level
Both answers 1 and 3.
Thomson
Subtract its atomic number from the mass number.
Most probable locations of electrons in the atom.
What happens when electrons absob energy?
All of the above.
Democritus
electron
Move to a higher energy level
Both answers 1 and 3.
Thomson
Subtract its atomic number from the mass number.
Most probable locations of electrons in the atom.
What does an electron cloud represent in an atom?
All of the above.
Democritus
electron
Move to a higher energy level
Both answers 1 and 3.
Thomson
Subtract its atomic number from the mass number.
Most probable locations of electrons in the atom.
Which particle has a mass which is approximately 1/2000 that of a proton?
All of the above.
Democritus
electron
Move to a higher energy level
Both answers 1 and 3.
Thomson
Subtract its atomic number from the mass number.
Most probable locations of electrons in the atom.
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