Atomic Stucture Question Preview (ID: 33861)
Ch 5.
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The modern atomic model is based on principles of what?
a) Planetary orbits
b) wave mechanics
c) Radioactive decay
d) Indivisible particles
Greek philosophers who studied the smallest particles of matter was called
a) Democritus
b) Tucker
c) Tindle
d) Sexton
Who discovered the Nucleus
a) Bohr
b) Dalton
c) Rutherford
d) Thomson
The positively charged particle in the nucleus of an atom is
a) electron
b) Nutron
c) proton
d) magnetron
The passage of electric current through a gas helped Thomson discover
a) protons
b) neutrons
c) electrons
d) quark
The orbits (energy levels) of the atom was discovered by
a) Bohr
b) Rutherford
c) Dalton
d) Thomson
Subatomic particles are made of what?
a) Quarks
b) Cheese
c) Cotton Candy
d) Boogers
The number of protons in the nucleus of an atom is called the
a) element number
b) mass number
c) atomic number
d) weight number
The sum of the protons and neutrons in the nucleus is called the
a) element number
b) mass number
c) atomic number
d) weight number
The atomic number is equal to the number of....
a) Electrons
b) Neutrons
c) Protons
d)
The center of the atom is called the
a) nucleus
b) proton
c) electron
d) neutron
When atoms of the same element have differing number of neutrons they are called
a) isotopes
b) weird
c)
d)
The subatomic particle that is neutral
a) Protons
b) Neutrons
c) Electrons
d)
The negatively charged particle of the atom is called the
a) Proton
b) Neutron
c) Electron
d)
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