21. Which of the following is very reactive non metal, should not be exposed to air? a. Sodium
b. Phosphorous
c. Potassium
d. Hydrogen
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Answered by
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Answer:
mark brainliest
Explanation:
your answer is pottasium
Answered by
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Answer:
c. ) Phosphorous
Explanation:
Phosphorus is a non metal that catches fire when exposed to air. It is a highly reactive metal and spontaneously reacts with oxygen to catch fire.
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