Which of the following elements is a gas at room temperature?
A) bromine
B) iron
C) krypton
D) sodium
Correct Answer:
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Q142: _ does not combine with any other
Q143: Which of the following elements is classified
Q144: Which of the following underlined items is
Q145: Radon belongs to the _ group of
Q146: All of the following elements are nonmetals
Q148: Which of the following underlined items is
Q149: _ is a nonmetal that is a
Q150: Which group 1A element is not a
Q151: Which one of the following elements is
Q152: Identify a chemical property.
A)tarnishing
B)boiling point
C)taste
D)solubility
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