Polar & Non-Polar Molecules

Quiz
•
Science
•
9th Grade
•
Hard
Standards-aligned
Marie H
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is electronegativity?
The ability of an atom to repel electrons
The ability of an atom to attract electrons
The ability of an atom to lose electrons
The ability of an atom to share electrons
Tags
NGSS.HS-PS1-2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does electronegativity change across the periodic table?
Increases from top to bottom and decreases from left to right
Increases from left to right and decreases from top to bottom
Decreases from left to right and increases from top to bottom
Remains constant across the periodic table
Tags
NGSS.HS-PS1-1
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is water able to form hydrogen bonds?
Because it has a high molecular weight
Because of its dipole moment
Because it is a nonpolar molecule
Because it is a gas at room temperature
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the significance of water's high heat capacity?
It stabilizes Earth's climate
It makes water a good solvent for nonpolar substances
It causes water to freeze at a lower temperature
It makes water evaporate quickly
Tags
NGSS.HS-ESS2-5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following molecules is nonpolar despite having polar bonds?
Hydrochloric acid
Ammonia
Water
Carbon dioxide
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What principle explains why polar solvents dissolve polar substances?
Law of definite proportions
Conservation of mass
Opposites attract
Like dissolves like
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does geometric asymmetry affect molecular polarity?
It only affects ionic compounds
It has no effect on molecular polarity
It makes a molecule nonpolar regardless of its bonds
It can make a molecule polar even if it has polar bonds
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