Parts of an Atom
What represents the number of protons in the nucleus of an atom?
Atomic Number
Mass Number
Proton Number
Nucleus
The sum of the protons and neutrons in an atom are known as the what?
Mass number
Atomic number
Breakdown number
Nucleus number
What did Dalton, Thomson, Rutherford, and Bohr all have in common?
They each identified new elements
They each identified new isotopes
They each contributed to the development of the atomic theory
They each conducted experiments where particles collided
In Thomson's "Plum-pudding" model of the atom, the plums represent what?
Protons
Neutrons
Electrons
Quarks
An atom of gold with 79 protons, 79 electrons, and 118 neutrons would have a MASS number of what?
197
276
39
158
The most up-to-date model of the atom is called what?
Shooting Gallery Model
Plum Pudding model
Proton Model
Electron Cloud Model
An atom of carbon with 6 protons, 6 electrons, and 6 neutrons would have a mass number of what?
12
6
18
24
Particles smaller than a proton, electron, and neutron are called what?
Quarks
Quickets
Quelms
Particles
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