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Atomic Structure
Quiz 3
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Q.1
Al+3The +3 tell you the
number of protons.
atomic mass.
charge of the atom.
Q.2
Iodine-131The -tells you the
number of protons.
atomic mass.
charge of the atom.
Q.3
The atomic mass of an atom is equal to
number of protons plus number of neutrons
number of protons plus number of electrons
number of electrons plus the number of neutrons
Q.4
What two subatomic particles must be equal for an atom to have no charge (neutral).
protons and neutrons
protons and electrons
electrons and neutrons
Q.5
Matter that is made up on only one type of atom is called
a compound
a subatomic particle
an element
water
Q.6
The term "neutral" means
having only a little bit of charge
having a positive charge
having a negative charge
having no charge at all
Q.7
Atoms are neutral because they have the same number of
protons and neutrons
protons and electrons
electrons and neutrons
Q.8
What is true about an atom?
Most of the space in an atom is taken up by the nucleus
Atoms are mostly empty space
Atoms have no mass
Electrons have much more mass that protons or neutrons.
Q.9
The positively charged parts of an atom are the
protons
electron clouds
neutrons
electrons
Q.10
Which of the following particles has the smallest mass?
neutron
proton
nucleus
electron
0 h : 0 m : 1 s
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