Full file at https://testbankscafe.eu/
Test Bank for Concepts in Biology 13th Edition Enge
Complete downloadable file at:
https://testbankscafe.eu/Test-Bank-for-Concepts-in-Biology-13th-Edition-Enge
Multiple Choice Questions
1. An atom that has gained electrons is a
A. Reactant
B. Negative ion
C. Positive ion
D. Compound ion
2. An atom with twelve electrons, twelve protons, and fourteen neutrons has a mass number
of
A. Fourteen
B. Twenty-four
C. Thirty-eight
D. Twenty-six
3. A hydroxide ion has an oxygen atom
A. Only
B. And an extra electron
C. And a hydrogen atom, and an extra electron
D. And a hydrogen atom, and an extra proton
4. A negative charge is characteristic of a(n)
A. Positive ion
B. Electron
C. Neutron
D. Proton
2-1
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5. Solutions are always comprised of
A. Solvents and solute
B. Liquids and solids
C. Water and salts
D. Compounds and ions
6. The greatest amount of kinetic energy is found in
A. Gases
B. Liquids
C. Solids
D. Colloids
7. All chemical reactions
A. Involve the creation of new atoms
B. Involve a change in chemical bonds
C. Are dangerous
D. Create energy
8. A covalent bond is
A. The attraction that one atom has for another atom
B. The attraction between two atoms, formed by the sharing of electrons
C. Formed between the positive charge of a hydrogen atom in one molecule and the negative
charge of a nitrogen atom in another nearby molecule
D. The attraction between a positive ion and a negative ion
9. Protons = 7, neutrons = 10, electrons = 7. The mass number of this atom is
A. Seven
B. Ten
C. Fourteen
D. Seventeen
2-2
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10. An acid is a substance that, in solution, releases
A. Oxygen ions in H2SO4
B. Hydrogen ions, for example, HCl
C. —COOR ions from beer
D. Chloride ions from NaCl
11. A particle in the atom that has neither a negative nor a positive electrical charge is the
A. Electron
B. Element
C. Isotope
D. Neutron
12. In the expression C6H12O6 2C2H5OH + 2CO2, the products are
A. C6H12O6
B. C6H12O6 + zymase
C. zymase + 2C2H5OH + 2CO2
D. 2C2H5OH + 2CO2
13. The correct symbol for a hydroxide ion is
A. H-
B. H+
C. (OH)-
D. (OH)+
14. Kinetic energy is BEST defined as
A. The energy of position
B. The energy of electrical charge
C. The energy of motion
D. Stored energy
2-3
Test Bank for Concepts in Biology 13th Edition Enge
Complete downloadable file at:
https://testbankscafe.eu/Test-Bank-for-Concepts-in-Biology-13th-Edition-Enge
Multiple Choice Questions
1. An atom that has gained electrons is a
A. Reactant
B. Negative ion
C. Positive ion
D. Compound ion
2. An atom with twelve electrons, twelve protons, and fourteen neutrons has a mass number
of
A. Fourteen
B. Twenty-four
C. Thirty-eight
D. Twenty-six
3. A hydroxide ion has an oxygen atom
A. Only
B. And an extra electron
C. And a hydrogen atom, and an extra electron
D. And a hydrogen atom, and an extra proton
4. A negative charge is characteristic of a(n)
A. Positive ion
B. Electron
C. Neutron
D. Proton
2-1
, Full file at https://testbankscafe.eu/
5. Solutions are always comprised of
A. Solvents and solute
B. Liquids and solids
C. Water and salts
D. Compounds and ions
6. The greatest amount of kinetic energy is found in
A. Gases
B. Liquids
C. Solids
D. Colloids
7. All chemical reactions
A. Involve the creation of new atoms
B. Involve a change in chemical bonds
C. Are dangerous
D. Create energy
8. A covalent bond is
A. The attraction that one atom has for another atom
B. The attraction between two atoms, formed by the sharing of electrons
C. Formed between the positive charge of a hydrogen atom in one molecule and the negative
charge of a nitrogen atom in another nearby molecule
D. The attraction between a positive ion and a negative ion
9. Protons = 7, neutrons = 10, electrons = 7. The mass number of this atom is
A. Seven
B. Ten
C. Fourteen
D. Seventeen
2-2
, Full file at https://testbankscafe.eu/
10. An acid is a substance that, in solution, releases
A. Oxygen ions in H2SO4
B. Hydrogen ions, for example, HCl
C. —COOR ions from beer
D. Chloride ions from NaCl
11. A particle in the atom that has neither a negative nor a positive electrical charge is the
A. Electron
B. Element
C. Isotope
D. Neutron
12. In the expression C6H12O6 2C2H5OH + 2CO2, the products are
A. C6H12O6
B. C6H12O6 + zymase
C. zymase + 2C2H5OH + 2CO2
D. 2C2H5OH + 2CO2
13. The correct symbol for a hydroxide ion is
A. H-
B. H+
C. (OH)-
D. (OH)+
14. Kinetic energy is BEST defined as
A. The energy of position
B. The energy of electrical charge
C. The energy of motion
D. Stored energy
2-3
