Polar & Non-Polar Molecules

Polar & Non-Polar Molecules

9th Grade

10 Qs

quiz-placeholder

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Polar & Non-Polar Molecules

Polar & Non-Polar Molecules

Assessment

Quiz

Science

9th Grade

Hard

NGSS
HS-PS1-2, HS-PS1-1, HS-ESS2-5

Standards-aligned

Created by

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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