WorksheetsUnit 4 Electrons Quiz
Total questions: 10
Worksheet time: 20mins
An atom has electrons in the 1s orbital which is closest to the nucleus. The same atom also has electrons in the 2s orbital. Which electrons are higher energy?
1s
2s
How many energy levels does Calcium have? Hint - it has to do with what period Ca is in.
1
2
3
4
What is the maximum number of energy levels an atom can have?
1
7
5
3
What does the 2 in sublevel 1s2 represent?
The number of electrons in the suborbital
The shape of the suborbital
The number of neutrons in the suborbital
The energy level of the electrons.
What does the 1 in sublevel 1s2 represent?
The number of electrons in the suborbital
The shape of the suborbital
The number of neutrons in the suborbital
The energy level of the electrons.
Which element is this? 1s22s22p63s23p64s23d104p65s24d105p6
Fr
U
Xe
Lr
Which element is this? 1s22s22p63s23p2
Fr
Si
Xe
Ca
What is the correct electron configuration of Carbon?
1s22s22p2
1s22s22p63s23p5
1s22s2
1s22s22p6
What is the correct electron configuration of Lithium?
1s22s2
1s22s22p6
1s22s1
1s2
What is the correct electron configuration of Magnesium (Mg) using noble gas shorthand?
[Ne]3s2
[Ne]2p6
[Beanium]NoNotThis10
[He]3s2
