Which element is not a semimetal?
A) Al
B) Si
C) Ge
D) As
E) none of the above
Correct Answer:
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Q40: The symbol of the element with 23
Q41: Magnesium is an example of a(an)
A)alkali metal.
B)alkaline
Q42: Which element is most likely to have
Q43: How many electrons can occupy the 2s
Q44: Which group contains only metalloids?
A)Ni,Pd,Pt
B)Si,Ge,As
C)Ce,Pr,Nd
D)Kr,Xe,Rn
E)Po,Fr,Ac
Q46: Which chemical symbol represents a metalloid?
A)Al
B)B
C)Ga
D)Zn
E)Ar
Q47: Which of the following is an alkali
Q48: Which chemical symbol represents a non-metal?
A)Al
B)B
C)Ga
D)Si
E)P
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
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