Unit 3 Target 1 & 5: Atoms, Ions, And Isotopes Quiz

14 Questions | By Hbhutta | Updated: Mar 21, 2022 | Attempts: 243

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Unit 3 Target 1 & 5: Atoms, Ions, And Isotopes Quiz - Quiz

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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?
- A.
  
  Covalent
- B.
  
  Hydrogen
- C.
  
  Intermolecular
- D.
  
  Ionic