(1) b.
11. The maximum number of subshells within each main shell of an atom is
(2) c.
equal to
(3) d.
a. the main shell number squared.
(4) a.
b. (n2) +1.
c. 2(N2).
d. the main shell number.
d.
12. Determine the maximum number of electrons in the third, or M, shell of an
atom.
No. = ____________________
18
3.
The periodic chart on Page 1-39 shows each element positioned to lie in
both a vertical and a horizontal row. Each of the vertical columns is headed
with a Roman numeral that indicates the number of valence electrons, while
each of the seven horizontal rows is preceded by a heavy Arabic numeral
that indicates the number of electron shells.
IT0341
1-12
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