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