Unit 3 Target 1 & 5: Atoms, Ions, And Isotopes Quiz
- 1.What type of ion forms when an atom gains electrons?
- A.
Neutral
- B.
Positive
- C.
Negative
- D.
Possibly positive or negative
- 2.What type of ion forms when an atom loses electrons?
- A.
Positive
- B.
Possibly positive or negative
- C.
Negative
- D.
Neutral
- 3.Isotopes are atoms of the same element with the same number of protons and
- A.
A different number of neutrons.
- B.
A different number of electrons.
- C.
A different number of molecules.
- D.
The same number of neutrons.
- 4.Carbon-14 is a radioactive isotope used to determine the age of ancient objects composed of organic matter. Carbon-12 and carbon-13 are other isotopes of carbon. The number of what subatomic particles varies among these carbon isotopes?
- A.
Electrons
- B.
Neutrons
- C.
Photons
- D.
Protons
- 5.Lead (Pb-208) is the heaviest stable isotope known. It has an atomic number of 82. How many neutrons does Pb-208 have?
- A.
82
- B.
126
- C.
164
- D.
208
- 6.When a small neutral molecule becomes an ion, in which way is it better able to function?
- A.
Dissolving in blood plasma
- B.
Sharing electrons with other ions
- C.
Combining with ions of similar charges
- D.
Passing through a cell's plasma membrane.
- 7.The particular type of element is determined by the number of
- A.
Electrons
- B.
Protons
- C.
Neutrons
- D.
Valence electrons
- E.
Energy levels
- 8.An atom has six protons and eight neutrons. Its atomic mass is ________________ atomic mass units.
- A.
Two
- B.
Four
- C.
Six
- D.
Eight
- E.
Fourteen
- 9.Isotopes differ from each other with respect to the number of:
- A.
Protons only.
- B.
Neutrons only.
- C.
Electrons only.
- D.
Both protons and electrons.
- E.
Both neutrons and protons.
- 10.An atom becomes a cation if:
- A.
It gains one or more electron.
- B.
It loses one or more electron.
- C.
It shares electrons.
- D.
One or more of its electrons changes energy levels.
- E.
It emits radiation.
- 11.The difference between an electrically neutral atom and an ion is that:
- A.
An ion has an unequal number of protons and electrons, while an atom has an equal number
- B.
An ion has an equal number of protons and electrons, while an atom has an unequal number
- C.
An atom has an unequal number of protons and neutrons, while an ion has an equal number
- D.
An atom has its electrons in orbitals, while an ion has its electrons in its nucleus
- E.
An atom must have an equal number of neutrons and electrons, while an ion does not.
- 12.What is the maximum number of covalent bonds that can form between a single carbon atom and 1 or more hydrogen atoms?
- A.
1
- B.
2
- C.
3
- D.
4
- 13.Breaking which type of bond would require the most energy?
- A.
Covalent
- B.
Electrostatic
- C.
Hydrogen
- D.
Intermolecular
- 14.
![In glycerol (C3H8O3), there is a hydroxyl group (OH) bound to each of the 3 carbon atoms. The bond between the oxygen atom of a hydroxyl group (-OH) and a carbon atom in glycerol is best classified as what type of bond? - ProProfs]( "In glycerol (C3H8O3), there is a hydroxyl group (OH) bound to each of the 3 carbon atoms. The bond between the oxygen atom of a hydroxyl group (-OH) and a carbon atom in glycerol is best classified as what type of bond?")
In glycerol (C3H8O3), there is a hydroxyl group (OH) bound to each of the 3 carbon atoms. The bond between the oxygen atom of a hydroxyl group (-OH) and a carbon atom in glycerol is best classified as what type of bond?- A.
Covalent
- B.
Hydrogen
- C.
Intermolecular
- D.
Ionic
.png "In glycerol (C3H8O3), there is a hydroxyl group (OH) bound to each of the 3 carbon atoms. The bond between the oxygen atom of a hydroxyl group (-OH) and a carbon atom in glycerol is best classified as what type of bond?")
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