Electronic configuration

Assessment

Electronic configuration

ninja coder

Chemistry

Grade9

10 Plays

100 Participants

Worksheet

10 Qs

1.
Multiple Choice
1 pts•30 s
Define the electronic configuration of an atom.
Answer choices
Arrangement of protons in the nucleus
Arrangement of electrons in energy levels
Number of neutrons in the atom
Mass of the atom
2.
Multiple Choice
1 pts•30 s
State the maximum number of electrons that can occupy the K shell.
Answer choices
2
8
18
32
3.
Multiple Choice
1 pts•30 s
Describe the electronic configuration of a sodium atom (atomic number 11).
Answer choices
2, 8, 1
2, 8, 3
2, 6, 3
2, 7, 2
4.
Multiple Choice
1 pts•30 s
Explain the rule that governs the filling of electrons in energy levels.
Answer choices
Pauli Exclusion Principle
Aufbau Principle
Hund’s Rule
Uncertainty Principle
5.
Multiple Choice
1 pts•30 s
Identify the number of electrons in the outermost shell of a chlorine atom (atomic number 17).
Answer choices
1
7
8
2
6.
Multiple Choice
1 pts•30 s
Point out the electronic configuration of a neon atom (atomic number 10).
Answer choices
2, 6
2, 8
2, 7, 1
2, 8, 2
7.
Multiple Choice
1 pts•30 s
Clarify why noble gases like helium have a stable electronic configuration.
Answer choices
Their outermost shell is empty
Their outermost shell is fully filled
They have no electrons
They have only one electron
8.
Multiple Choice
1 pts•30 s
Indicate the maximum number of electrons that can occupy the L shell.
Answer choices
2
8
18
32
9.
Multiple Choice
1 pts•30 s
Describe the electronic configuration of an oxygen atom (atomic number 8).
Answer choices
2, 6
2, 8
2, 4, 2
2, 7
10.
Multiple Choice
1 pts•30 s
Explain why the electronic configuration of a sodium ion (Na⁺) is different from a sodium atom.
Answer choices
Sodium ion gains one electron
Sodium ion loses one electron
Sodium ion gains one proton
Sodium ion loses one neutron