Atomic Structure Quiz
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Do you believe that you understand all there is to the structure of an atom after we have began the unit on atoms? If so then this quiz is just for you. Give it a shot and get to understand all that was covered in the unit. All the best and study hard!
- 1.A neutron carries a positive charge.
- A.
True
- B.
False
- 2.How many atoms of nitrogen are in the formula NH4OH?
- 3.
- 4.Identify the atomic number of the element of Xenon.
- 5.The atomic number of an atom is determined by the number of
- 6.A proton has a charge that is equal in force but opposite in charge to each electron.
- A.
True
- B.
False
- 7.Protons and electrons are about equal in mass.
- A.
True
- B.
False
- 8.The mass of an atom depends on the number of protons and neutrons in its nucleus.
- A.
True
- B.
False
- 9.How do you determine the mass number of an atom?
- A.
It is equal to the number of protons
- B.
It is equal to the number of protons plus the number of electrons
- C.
It is equal to the number of protons plus the number of neutrons
- D.
It is equal to the number of electrons plus the number of neutrons
- E.
It is equal to the number of protons minus the number of neutrons
- 10.Atoms of the same element with different numbers of neutrons are called__________.
- A.
Isotopes
- B.
Ions
- C.
Atoms
- D.
Either isotopes or ions
- E.
None of these are correct
- 11.In the name carbon-14, the 14 is the _________________.
- A.
Mass number
- B.
Atomic number
- C.
Oxidation number
- D.
Number of electrons
- E.
Number of neutrons
- 12.An atom that has a different number of electrons and protons is called a(n) _________________.
- 13.Electrons have a ____________ charge.
- 14.Neutrons have a ____________ charge.
- 15.How many protons are in tin-100?
- 16.How many neutron are in tin-100?
- 17.Is tin-100 an isotope?
- 18.What is the charge on an atom with 10 protons and 8 electrons?
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