Atomic Structure Question Preview (ID: 16743)


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The number of protons determines what ___________________ a particular atom belongs to.
a) atom
b) nucleus
c) element
d) classification

Charge of a single electron
a) 0
b) -1
c) -2
d) -3

The maximum number of electrons in the first shell:
a) 2
b) 4
c) 6
d) 8

Element with 3 protons and 3 electrons:
a) hydrogen
b) helium
c) lithium
d) carbon

Electrons are found in the
a) nucleus
b) atomic zone
c) zone of electrons
d) electron shells or cloud outside of the nucleus

The mass of an electron is
a) about the same as the proton's mass
b) about 100 time less than a proton's mass
c) much less than the mass of a proton or a neutron
d) exactly equal to the difference of the proton and neutron's mass

Without electrons atoms would carry
a) no charge at all
b) a positive charge
c) a negative charge
d) an alternating charge

The subatomic particle that decides which element you have:
a) electron
b) neutron
c) photon
d) proton

The two subatomic particles that are about the same size:
a) proton, neutron
b) proton, electron
c) neutron, electron
d) All atoms are very different

Which two subatomic particles are equal when an atom is neutral?
a) protons, neutrons
b) protons, electrons
c) neutrons, electrons
d) protons, neutrons, electrons

The lightest subatomic particle
a) proton
b) neutron
c) electron
d) proton and neutron

Gives the nucleus more mass, but doesn't change its charge
a) proton
b) photon
c) neutron
d) electron

Most of the mass of an atom can be found in the
a) nucleus
b) atomic zone
c) electron shell
d) electron cloud

The smallest part of an element.
a) atom
b) proton
c) neutron
d) electron

Gives the nucleus its positive charge
a) proton
b) photon
c) neutron
d) electron

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