The electronic configuration of hydrogen is similar to which of the following?
A. Alkaline soil metals
B. Inert gases
C. Alkaline metals
D. Halogens
Answer: Option C
A. Alkaline soil metals
B. Inert gases
C. Alkaline metals
D. Halogens
Answer: Option C
Red phosphorus is less reactive than yellow phosphorus because
A. it is red in colour
B. it is highly polymerised
C. it is insoluble in C2H5OH
D. it is hard
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