Multiple Choice
There are about as many atoms of air in our lungs at any moment as there are breaths of air in the atmosphere of
A) a large auditorium.
B) a large city.
C) the United States.
D) the whole world.
E) none of these
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Which of these atoms has the greatest
Q14: If two protons are removed from an
Q15: Which of the following statements is true?<br>A)An
Q16: The chemical properties of matter come mostly
Q18: Which of the following are electrically neutral?<br>A)proton<br>B)neutron<br>C)electron<br>D)ion<br>E)none
Q20: The air in this room has<br>A)mass.<br>B)weight.<br>C)energy.<br>D)all of
Q21: Which of the following is not a
Q22: The weight of matter comes mostly from
Q24: Which of the following is not a
Q26: Compared to the mass of a hydrogen