Which of the following is an inert gas?
A) Hydrogen
B) Helium.
C) Carbon
D) Oxygen
Correct Answer:
Verified
Q24: Which of these atoms has the greatest
Q25: Atomic number refers to the number of
A)protons
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Q28: Which of these has the greatest number
Q30: If a nitrogen atom and a slightly
Q31: Two protons added to an oxygen nucleus
Q32: A force that determines the chemical properties
Q33: Two protons removed from an oxygen nucleus
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