5. Which of these elements is found in its natural state as a gas?
A. argon (Ar)
B. boron (B)...
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Chemistry, 09.12.2020 17:20 officialkk
5. Which of these elements is found in its natural state as a gas?
A. argon (Ar)
B. boron (B)
C. phosphorus (P)
D. potassium (K)
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Answers: 3
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