Multiple Choice
Pictured here is the periodic table block for the element phosphorus. How much does one atom of phosphorus weigh?
A) 15 amu
B) 15 g
C) 30.974 amu
D) 30.974 g
E) Not enough information is given.
Correct Answer:

Verified
Correct Answer:
Verified
Q20: Solid aluminium reacts with oxygen gas to
Q21: Ethane (C<sub>2</sub>H<sub>6</sub>) is a minor component of
Q22: The following unbalanced equation represents formation of
Q23: Calculate the volume, in cm<sup>3</sup>, of 0.67
Q24: A small gold coin weighs 21.4 g.
Q26: Choose the chemical reaction that best represents
Q27: Which statement about carbon monoxide is false?<br>A)
Q28: Cells store chemical energy in the form
Q29: Ethane (C<sub>2</sub>H<sub>6</sub>) is a minor component of
Q30: The following unbalanced chemical equation represents the