What is the octet rule?

Exploring Periodic Table Trends and Atomic Properties

Interactive Video
•
Chemistry
•
6th - 10th Grade
•
Hard

Aiden Montgomery
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atoms need eight energy levels to be stable.
Atoms need eight valence electrons to be stable.
Atoms need eight neutrons to be stable.
Atoms need eight protons to be stable.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which elements are satisfied with just two valence electrons?
Large atoms like francium
Small atoms like hydrogen and helium
Transition metals
Noble gases
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is atomic radius measured?
By counting the number of protons
By measuring the distance between two nuclei and dividing by two
By measuring the electron cloud
By measuring the distance between two electron clouds
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to atomic radius as you move down a group?
It decreases
It stays the same
It increases
It fluctuates
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does atomic radius decrease as you move across a period?
Because electrons are added to the same energy level and protons pull them closer
Because protons and electrons repel each other
Because electrons are added to different energy levels
Because neutrons are added to the nucleus
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is electronegativity?
The ability of an atom to repel electrons
The ability of an atom to form bonds
The ability of an atom to attract electrons in a chemical bond
The ability of an atom to lose electrons
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is the most electronegative?
Fluorine
Francium
Helium
Oxygen
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