How many of the following elements have 2 unpaired electrons in the ground state? C S Zr Si
A) 1
B) 2
C) 3
D) 4
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Q83: Which atom in each group (I and
Q84: Identify the f-block element.
A) Gd
B) Ta
C) K
D)
Q85: Of the following,which atom has the smallest
Q86: Identify the d-block element.
A) Th
B) W
C) Na
D)
Q87: How many of the following elements have
Q89: Identify the inner transition element.
A) Es
B) Os
C)
Q90: Identify the transition element.
A) Fm
B) W
C) K
D)
Q91: Give the number of core electrons for
Q92: Identify the s-block element.
A) Cm
B) Ta
C) Na
D)
Q93: Choose the ground state electron configuration for
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