Atomic Structure Worksheet
Authored by Niluni Silva
Mathematics
4th Grade
Used 1+ times
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49 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The 3 particles of the atom are: a. ________________ b. ________________ c. ________________ Their respective charges are: a. ________________ b. ________________ c. ________________
Particles: a. Proton, b. Neutron, c. Electron; Charges: a. Positive, b. Neutral, c. Negative
Particles: a. Electron, b. Proton, c. Neutron; Charges: a. Negative, b. Positive, c. Neutral
Particles: a. Neutron, b. Electron, c. Proton; Charges: a. Neutral, b. Negative, c. Positive
Particles: a. Proton, b. Electron, c. Neutron; Charges: a. Positive, b. Negative, c. Neutral
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The number of protons in one atom of an element determines the atom’s ________________, and the number of electrons determines ________________ of and element.
identity, chemical properties
mass, reactivity
charge, atomic number
volume, stability
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The atomic number tells you the number of ________________ in one atom of an element. It also tells you the number of ________________ in a neutral atom of that element. The atomic number gives the “identity“ of an element as well as its location on the Periodic Table. No two different elements will have the ________________ atomic number.
protons, electrons, same
electrons, neutrons, different
neutrons, protons, similar
protons, neutrons, identical
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ________________ of an element is the average mass of an element’s naturally occurring atom, or isotopes, taking into account the ________________ of each isotope.
atomic mass, abundance
atomic number, charge
mass number, volume
isotope, density
5.
OPEN ENDED QUESTION
3 mins • 1 pt
The ________________ of an element is the total number of protons and neutrons in the ________________ of the atom.
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
The mass number is used to calculate the number of ________________ in one atom of an element. In order to calculate the number of neutrons you must subtract the ________________ from the ________________.
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7.
FILL IN THE BLANKS QUESTION
30 sec • 1 pt
Give the symbol and number of protons in one atom of: Lithium (a)
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