Question 1
The amount of matter in an object is its
Select one:
a. mass.
b. weight.
c. atomic number.
d. element.
e. ionic charge.
Question 2
A neutral atom will become a cation if it
Select one:
a. gains elec
...
Question 1
The amount of matter in an object is its
Select one:
a. mass.
b. weight.
c. atomic number.
d. element.
e. ionic charge.
Question 2
A neutral atom will become a cation if it
Select one:
a. gains electrons.
b. gains protons.
c. loses electrons.
d. loses protons.
e. gains neutrons.
Question 3
Reactions that use water to split molecules apart are called _______ reactions.
Select one:
This study source was downloaded by 100000852290574 from CourseHero.com on 01-24-2023 11:39:57 GMT -06:00
https://www.coursehero.com/file/38330226/BIO201-Exam-2docx/
a. dehydration
b. synthesis
c. hydrolysis
d. reversible
e. oxidation
Question 4
A group of water molecules are held together by
Select one:
a. salt.
b. hydrogen bonds.
c. ionic bonds.
d. double covalent bonds.
e. polar covalent bonds.
Question 5
Covalent bonds form when
Select one:
a. atomic nuclei fuse.
b. molecules become ionized.
c. neutrons are transferred from one atom to another.
d. protons are lost from atoms.
e. electrons are shared between two atoms.
This study source was downloaded by 100000852290574 from CourseHero.com on 01-24-2023 11:39:57 GMT -06:00
https://www.coursehero.com/file/38330226/BIO201-Exam-2docx/
Question 6
The hydrogen and oxygen atoms in a molecule of water are held together by
Select one:
a. ionic bonds.
b. peptide bonds.
c. savings bonds.
d. polar covalent bonds.
e. nonpolar bonds.
Question 7
In an oxidation-reduction reaction, ______ are transferred between molecules
Select one:
a. electrons
b. oxygen
Question 8
If the ratio of products and reactants are stable, the system is in _______.
Select one:
a. equilibrium
b. steady state
c. activation
Question 9
Which of the following is not a use of X-ray imaging?
Select one:
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https://www.coursehero.com/file/38330226/BIO201-Exam-2docx/
a. breast cancer screening in mammography
b. upper digestive tract abnormalities following barium ingestion
c. brain tumor progression
d. vertebrae fractures
Question 10
An atom has an atomic number of 19 and a mass number of 39. This atom will have
Select one:
a. 19 neutrons.
b. 20 neutrons.
c. 39 neutrons.
d. 58 neutrons.
e. 20 electrons.
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