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WorksheetsAtomic Structure & Nuclear Chemistry Review
Total questions: 42
Worksheet time: 16mins
Which atomic particle has a negative charge?
proton
neutron
electron
all of these
Which of these is NOT a subatomic particle of an atom?
proton
neutron
electron
quantron
Which of the following has the smallest mass?
neutron
proton
nucleus
electron
What part of the atom is indicated by the red sphere?
nucleus
electron cloud
electrons
neutrons
Matter that is made up of only one type of atom is called
a compound
a subatomic particle
an element
water
Look at this picture of Argon from the periodic table. Which of the following is true for this element?
18 protons
40 protons
22 protons
21.9 protons
Look at this picture of Argon from the periodic table. Which of the following is true for this element?
18 neutrons
40 neutrons
22 neutrons
21.9 neutrons
Look at this picture of Argon from the periodic table. Which of the following is true for this element when it is neutral?
18 electrons
40 electrons
22 electrons
21.9 electrons
Which part of an atom is used to identify it?
number of protons
number of neutrons
number of electrons
When you have two atoms with different masses, Carbon-12 and Carbon-13 for example, what do you have?
Neutral atoms
Ions
Isotopes
Two elements
When you have two isotopes of an atom, Carbon-12 and Carbon-13 for example, what is different between the two?
Number of protons
Number of neutrons
Number of electrons
Net Charge
When you have an ion of an atom, O-2 for example, what has changed in its atomic structure?
Number of protons
Number of neutrons
Number of electrons
Which of the following is correct?
Protons are positive, electrons are negative, neutrons are neutral.
Protons are neutral, electrons are negative, neutrons are positive
Protons are negative, electrons are positive, neutrons are neutral
Protons are positive, electrons are neutral, neutrons are negative
Al+3
In the symbol above, the +3 tells you the...
number of protons.
atomic mass.
charge of the atom.
number of neutrons.
Iodine-131
In the isotope name above, the -131 tells you the...
number of protons.
atomic mass.
charge of the atom.
number of electrons.
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.
number of protons minus number of electrons.
How many protons does indium have?
49
65
114
115
How many neutrons are in an atom of Indium?
49
65
114
115
What is the mass number of barium?
56
81
137
138
How many neutrons are in an atom of barium?
56
81
137
138
Identify #1
proton
neutron
electron
nucleus
Identify #2
proton
neutron
electron
nucleus
Identify #3
proton
neutron
electron
nucleus
Identify #4
proton
neutron
electron
nucleus
In order of most to least penetrating radiation we have
Alpha , Beta, Gamma
Beta , Gamma , Alpha
Gamma, Beta, Alpha
Gamma, Alpha, Beta
Which type of radiation has this symbol?
Alpha
Beta
Gamma
Which type of radiation has this symbol?
Alpha
Beta
Gamma
Which type of radiation has this symbol?
Alpha
Beta
Gamma
Which type of radioactive decay gives off energy only (no particles)?
alpha
beta
gamma
The time taken for half of a sample of radioactive material to decay is the...
Nuclear fusion
Decay constant
Dead time
Half-life
Gamma rays have a _____ charge
positive
negative
neutral
Alpha particles have a _____ charge.
positive
negative
neutral
Beta particles have a _____ charge.
positive
negative
neutral
What type of decay is this?
23892U --> 42He + 23490Th
Gamma Decay
Positron Emission
Alpha Decay
Beta Decay
What would two different isotopes of an element have in common?
Number of neutrons
Number of protons
Atomic weight
Atomic mass
Which type of nuclear radiation is being emitted here? (Hint: Figure out the other product first!)
alpha
beta
gamma
none
