Multiple Choice
Which of the following descriptions of a subatomic particle is correct?
A) A proton has a positive charge and a mass of approximately 1 amu.
B) An electron has a negative charge and a mass of approximately 1 amu.
C) A neutron has no charge and its mass is negligible.
D) A proton has a positive charge and a negligible mass.
E) A neutron has a positive charge and a mass of approximately 1 amu.
Correct Answer:

Verified
Correct Answer:
Verified
Q51: Which of the following elements is a
Q52: A calcium atom two electrons in the
Q53: The symbol for mercury is Mg.
Q54: Radon is a metal.
Q55: Atomic size decreases going from left to
Q57: Which of the following is the correct
Q58: Metallic character increases going down a group.
Q59: The number of neutrons in an atom
Q60: What is the electron arrangement for aluminum?<br>A)2,8,3<br>B)2,8,5<br>C)2,8,7<br>D)2,8,8<br>E)2,8,10
Q61: Ca is the symbol for _.<br>A)calcium<br>B)carbon<br>C)cobalt<br>D)copper<br>E)cadmium