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Atomic Structure Flashcards | StudBud

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Atomic Structure

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Questions 11

Answers

1
According to Rutherford,
the protons revolve around the nucleus
the nucleus revolves around the electrons
the electrons revolve around the nucleus
the neutrons revolve around the nuclues
2
The sum of the numbers of the protons and neutrons in the atom of an element is known as
isotope number
the mass number
molecular weight
atomic number
3
The mass of an atom depends on the number of protons and neutrons in its nucleus.
false
true
4
The three fundamental particles of the atom are
proton and neutron
mesons, anti-quarks, and anti-neutrinos
proton, neutron, and electron
neutrons, electrons, gamma rays
5
The smallest particle of an element that retains all of the properties of an element is called
a molecule
an electron
a nucleus
an atom
6
In the name carbon-14, the 14 is the
number of neutrons
mass number
number of electrons
atomic number
7
The charge on the electron was discovered by
Mullikan
Fermi
J.J. Thomson
Faraday
8
Protons are
neutral particles with mass
positively charged particles with negligible mass
positively charged particles with mass
negatively charged particles with negligible mass
9
The particle discovered as a result of cathode ray experiments is the
electron
neutron
proton
nulceus
10
The charge by mass ratio for electrons of various elements
increases with increase of atomic mass
is the same
increases with increase in atomic number
decreases with increase of atomic mass
11
The Atomic Theory was given by
James Chadwick
J. J. Thomson
John Dalton
E. Rutherford