Atomic Structure Question Preview (ID: 16743)
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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
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 lightest subatomic particle
a) proton
b) neutron
c) electron
d) proton and neutron
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 two subatomic particles that are about the same size:
a) proton, neutron
b) proton, electron
c) neutron, electron
d) All atoms are very different
The subatomic particle that decides which element you have:
a) electron
b) neutron
c) photon
d) proton
Without electrons atoms would carry
a) no charge at all
b) a positive charge
c) a negative charge
d) an alternating charge
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
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
The number of protons determines what ___________________ a particular atom belongs to.
a) atom
b) nucleus
c) element
d) classification
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