Multiple Choice
The mass number of an atom is defined as:
A) The total number of protons, neutrons, and electrons of an atom
B) The total number of protons and electrons of an atom
C) The total number of protons and neutrons of an atom
D) The total number of neutrons and electrons of an atom
E) The total number of protons of an atom
Correct Answer:

Verified
Correct Answer:
Verified
Q58: Within a single molecule of water,_ bonds
Q59: In a covalent bond:<br>A)Atoms share electrons<br>B)Atoms of
Q60: The first energy shell of an atom
Q61: You can painlessly wade into a pool,but
Q62: An amino acid contains:<br>A)Nitrogen<br>B)Nitrogen and carbon<br>C)Carbon<br>D)Phosphorous<br>E)Carbon and
Q64: A process by which cells build large
Q65: <sup>14</sup>C and <sup>14</sup>N have the same:<br>A)Atomic number<br>B)Number
Q66: Which is not a lipid?<br>A)A triglyceride<br>B)A phospholipid<br>C)A
Q67: Sugars (CH<sub>2</sub>O)<sub>n</sub> dissolve well in water because
Q68: If a fossil has only 25% of