
Exploring Electron Configurations
Quiz
•
Others
•
11th Grade
•
Practice Problem
•
Hard
Nasola Geremew
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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electron configuration of oxygen?
1s² 2s² 2p²
1s² 2s² 2p⁵
1s² 2s² 2p³
1s² 2s² 2p⁴
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons can the s orbital hold?
2
8
1
10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the general trend of atomic radius across a period?
The atomic radius remains constant across a period.
The atomic radius fluctuates randomly across a period.
The atomic radius decreases across a period.
The atomic radius increases across a period.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Define ionization energy and its trend in the periodic table.
Ionization energy increases across a period and decreases down a group in the periodic table.
Ionization energy decreases across a period and increases down a group in the periodic table.
Ionization energy is highest for noble gases and lowest for alkali metals in the periodic table.
Ionization energy remains constant across a period and down a group in the periodic table.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are valence electrons and why are they important?
Valence electrons are the protons in an atom that determine its mass.
Valence electrons are the outermost electrons of an atom that participate in chemical bonding.
Valence electrons are the inner electrons that do not participate in any reactions.
Valence electrons are the electrons that are always found in the nucleus of an atom.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does electronegativity change down a group in the periodic table?
Electronegativity increases down a group.
Electronegativity decreases down a group.
Electronegativity remains constant down a group.
Electronegativity fluctuates randomly down a group.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the electron configuration for a sodium ion (Na+)?
1s² 2s² 2p⁶
1s² 2s² 3p⁶
1s² 2s² 2p⁶ 3s¹
1s² 2s² 2p⁵
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