Inorganic Chemistry
Classification of Elements and Periodicity Solutions
Le
Bank that completes each sentence.
Ob
Word Bank
isoelectronic
krypton
On a sheet of paper, write the word or phrase from the Word
1. An atom and an ion with the same electron configuration
2. Elements in the last column of the periodic table are
are
Afte
less
bed
noble gases
extremely stable and are called
is
t
e
it
3. The element that is isoelectronic with Brl-
e
On a sheet of paper, write the letter of the answer to each
question.
4. Which electron configuration is not correct?
A gallium: 1522s22p3523p® 45230104p1
B sulfur: 1522s22p%35-3p4
c tellurium: [Kr]55240105p4
D magnesium: [Ne]452
5. What is the abbreviated electron configuration for Zr?
C (Kr]5525p2
D [Y]4d1
DO
A [Ar]4s23d104p65s4d2
B (Kr]5s24d2
6. Which ion has the electron configuration
1922s22p63523p64823d104p65524d105p6?
A Aglt
C Se2-
A si
use
the
ant
B Te2-
D Sn2+
Critical Thinking
On a sheet of paper, write the electron configuration of
each atom or ion. Give either the full configuration or the
abbreviated one.
Dc
usu
for
me
7. Mn
8. Sn2+
9. As3-
10. I
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Chapter 10 Electrons
