Atomic Structure Quiz
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Quiz on the beginning of the atom unit.
- 1.A neutron carries a positive charge.
- A.
True
- B.
False
- 2.How many atoms of nitrogen are in the formula NH4OH?
- 3.How many atoms of oxygen are in Sn(SO4)2?
- 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.
- 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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