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Periodic Table / Electron Configuration Practice

Total questions: 25

Worksheet time: 57mins

Name
Class
Date
1.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
2.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
3.
How many electrons can the d sublevel hold?
a)
8
b)
10
c)
2
d)
4
4.
What atom matches this electron configuration?
[Xe] 6s2 4f14 5d9
a)
Mercury
b)
Gold
c)
Platinum
d)
Thallium
5.
What noble gas should be used to write the shorthand configuration for Te?
a)
Ar
b)
Kr
c)
Xe
d)
Sb
6.

How many valence electrons does Tin (Sn) have?

a)

8

b)

7

c)

5

d)

4

7.

How many valence electrons does Lithium (Li) have?

a)

8

b)

1

c)

5

d)

2

8.

Which of these elements has the greatest average atomic mass?

a)

B

b)

C

c)

N

d)

Al

9.

Which of these elements has an atomic number of 14?

a)

N

b)

Al

c)

Si

d)

P

10.

Which of the following elements belongs to the family indicated?

a)

Nitrogen belongs to the halogen family.

b)

Helium belongs to the noble gas family.

c)

Calcium belongs to the alkali family.

d)

Sodium belongs to the alkaline earth family.

11.

Which element is an alkali metal?

a)

K

b)

Mg

c)

Al

d)

Ag

12.

Group

a)

Single Element on the Periodic Table

b)

Diagonal Rows on Periodic Table

c)

Horizontal Rows on Periodic Table

d)

Vertical Columns on periodic table

13.

What group contains 7 valence electrons?

a)

Alkali Metals

b)

Alkaline Earth Metals

c)

Halogens

d)

Noble Gases

14.

How many valence electrons does neon contain?

a)

1

b)

2

c)

7

d)

8

15.

What element is in period 4, group 1?

a)

K - Potassium

b)

V - Vandium

c)

C - Carbon

d)

Ti - Titanium

16.

What two elements are in the same Period?

a)

K - Potassium and Na - Sodium

b)

Li - Lithium and Mg - Magnesium

c)

B - Boron and C - Carbon

d)

Zn - Zinc and N - Nitrogen

17.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
18.
The Modern Periodic Table of Elements is arranged by
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
19.
Which periodic group has the smallest atomic radius?
a)
Alkali metals
b)
Halogens
c)
Noble Gases
d)
Transition metals
20.
Which of the following will have a lower ionization energy than Scandium (Sc)?
a)
Helium (He)
b)
Titanium (Ti)
c)
Calcium (Ca)
d)
Magnesium (Mg)
21.
Which electron configuration belongs to Chlorine (Cl)?
a)
1s2 2s2 2p6 3s2 3p5
b)
1s2 2s2 2p6 3s2 3p6
c)
1s2 2s2 2p6 3s2 3p7
22.

What atom matches this electron configuration?

1s22s22p63s23p64s23d10

a)

Zinc

b)

Copper

c)

Nickel

d)

Germanium

23.
What atom matches this electron configuration?
1s22s22p63s2
a)
Neon
b)
Magnesium
c)
Aluminum
d)
Potassium
24.

Which would be the correct electron configuration for silver?

a)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s1 4d9

b)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d9

c)

1s2 2s2 2p6 3s2 3p6 4s2 4d10 4p6 5s1 5d9

d)

1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d8

25.

What is the noble gas configuration for Cobalt?

a)

[Kr] 4s2 3d7

b)

[Kr] 4s2 4d7

c)

[Ar] 4s2 3d7

d)

[Ar] 4s2 4d7

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