Worksheetse-Configurations 1
Total questions: 10
Worksheet time: 7mins
Name
Class
Date
1.
The electron configuration of an atom is 1s22s22p6. The number of electrons in the atom is
a)
3
b)
6
c)
8
d)
10
2.
What electron configuration matches an oxygen atom?
a)
1s22s22p63s2, 3p64s23d104p5
b)
1s22s22p4
c)
1s22s22p6
d)
1s22s22p63s23p64s23d1
3.
Which are the four atomic orbitals?
a)
s,p,d,f
b)
a,b,c,d
c)
s,t,e,p
d)
d,r,o,f
4.
For electronic configurations, which orbital should you start with?
a)
f
b)
s
c)
p
d)
d
5.
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
6.
Which area on the periodic table represents the electrons in the "d" sublevel?
a)
representative elements
b)
columns 3-8
c)
rare earth elements
d)
transition elements (columns 3-12)
7.
Each row on the periodic table represents:
a)
an energy level
b)
a sublevel
c)
an electron
d)
an orbital
8.
How many electrons does Si contain? (click to see image)
a)
14
b)
28
c)
2
d)
4
9.
How many electrons can the first energy level hold?
a)
1
b)
2
c)
8
d)
0
10.
What atom matches this electron configuration?
1s22s22p63s23p64s23d10
1s22s22p63s23p64s23d10
a)
Zinc
b)
Copper
c)
Nickel
d)
Germanium
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