JAMB Chemistry
Four elements W, X, Y and Z have atomic numbers 2, 6, 16 and 20 respectively. Which of these elements is a metal?
a.
X
b.
W
c.
Z
d.
Y
Correct answer: C
JAMB Chemistry
Four elements W, X, Y and Z have atomic numbers 2, 6, 16 and 20 respectively. Which of these elements is a metal?
X
W
Z
Y
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