7. Which nonmetal is used to coat and brightens light bulbs?
A Bromine
B. Neon
C.Phosphorus
D. Tellurium
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7. Which nonmetal is used to coat and brightens light bulbs?
A Bromine
B. Neon
C.Phosphorus
D. Tellurium
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Answer:
C. Phosphorus
Explanation:
because phosphorus is non metal