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WorksheetsElectrons in atoms
Total questions: 12
Worksheet time: 9mins
How many electrons per shell does sodium (11Na) have?
2,8
2,8,2
2,8,1
2,2,8
How many electrons per shell does calcium (20Ca) have?
2,8,8,2
2,8,10
2,8,2,8
2,1,8,2
What atom matches this electron configuration?
1s22s22p63s2
20Ca
12Mg
13Al
19K
Which electron configuration is correct for oxygen (8O)?
1s22s22p63s2, 3p64s23d104p5
1s22s22p4
1s22s22p6
1s22s22p63s23p64s23d1
Which atom matches this electron configuration?
1s22s22p63s23p64s23d10
30Zn
29Cu
28Ni
32Ge
What is the shape of an s orbital?
sphere
dumbbell
double dumbbell
dumbbell and circle
What is the shape of a p orbital?
sphere
double dumbbell
dumbbell
Which are the four atomic orbitals?
s,p,d,f
a,b,c,d
s,t,e,p
d,r,o,f
Within an energy level, which orbitals are the lowest in energy?
s
f
d
p
How many electrons can there be in one orbital?
2
4
6
10
The electron configuration for potassium (19K) is:
1s22s22p63s23p3
1s22s22p63s23p6
1s22s22p63s23p64s1
1s22s22p63s23p64s2
