In the modern periodic table, what are the basic elements of group 18 (Except helium all other than having eight electrons in their outermost orbit)?
A. bimetallic
B. transition element
C. inert gases
D. rare soil elements
Answer: Option C
A. bimetallic
B. transition element
C. inert gases
D. rare soil elements
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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