Which group contains only noble gases?
A) Ni,Pd,Pt
B) Si,Ge,As
C) Ce,Pr,Nd
D) Kr,Xe,Rn
E) Po,Fr,Ac
Correct Answer:
Verified
Q49: Which chemical symbol represents a metallic element?
A)Ar
B)Br
C)Ca
D)H
E)P
Q50: Element Z has the following properties:
A.noncombustible
B.unreactive
C.colorless,odorless gas
Q51: The maximum number of electrons in any
Q52: Which column of the periodic table contains
Q53: Which element is most likely to have
Q55: How many electrons can occupy the shell
Q56: Element Z has the following properties:
A.silvery-white solid
Q57: Which group of elements contains only non-metals?
A)Mg,Ca,Sr
B)V,Cr,Mn
C)Cl,Ar,K
D)P,As,Se
E)C,S,I
Q58: How many electrons can occupy the shell
Q59: Which of the following elements is a
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