NEW
Font size
Worksheets*DK014 CHAPTER 5: ELECTRONIC CONFIGURATION*
Total questions: 10
Worksheet time: 23mins
Write the electronic configuration for sodium Na (Z=11)
1s2 2s2 2p6
1s2 2s2 2p6 3s2
1s2 2s2 2p6 3s1
1s2 2s2 2p6 3s2 3p4
State the valence electronic configuration for Mg (Z=12)
3s2
3s2 3p1
3s2 3p3
3s2 3p4
Determine the element that has valence electron 3s23p1
Na
Al
Cl
Mg
Which of the orbital is call 'dumbell shaped'
s
p
d
f
Write the set quantum number for 3p.
(3, 0, 0, +1/2)
(3, 1, 0, +1/2)
(3, 2, 0, +1/2)
(3, 0, 1, +1/2)
Which of the following element has this orbital in its electronic configuration.
Ar (Z=18)
K (Z=19)
Ca (Z=20)
Sc (Z=21)
How many unpaired electron of electronic configuration for Sulphur, S (Z=16)
1
2
3
4
What is the symbol for angular quantum number?
n
l
m
s
Electron must be arrange from lowest energy to highest energy.
State the rule/principle?
Hund's Rule
Pauli Exclusion Principle
Aufbau Principle
Zuhaizi Principle
How many electrons if l=1 for electronic configuration of Mg (Z=12)
12
6
3
2
