Polar and Nonpolar

Why is it difficult to wash oil from your hands with plain water?

• Both substances are polar. Like polarities repel.

• Both substances are nonpolar. Like polarities repel.

• Water is nonpolar, and oil is polar, so they will not combine.

• Water is polar, and oil is nonpolar, so they will not combine.

Why is the molecule nonpolar?

• There are nonbonding pairs on the central atom.

• There are different types of elements bonded to the central atom.

• There are no nonbonding pairs on the central atom and all of the atoms bonded to the central atom are the same.

Is the following molecule polar or nonpolar?

• polar

• nonpolar

Why is the molecule polar?

• There is a nonbonding pair on the central atom.

• There are different types of elements bonded to the central atom.

• There are no nonbonding pairs on the central atom and all of the atoms bonded to the central atom are the same.

Attractions between polar molecules are stronger than attractions between nonpolar molecules.

• true

• false

Which of the following molecules is nonpolar?

Tags

DOK Level 1: Recall

Is the molecule CCl₄  polar or non-polar?

• polar

• non-polar

Why is the molecule polar?

• There are nonbonding pairs on the central atom.

• There are different types of elements bonded to the central atom.

• There are no nonbonding pairs on the central atom and all of the atoms bonded to the central atom are the same.

Tags

NGSS.HS-PS1-1

Why is the molecule polar?

• There are nonbonding pairs on the central atom.

• There are different types of elements bonded to the central atom.

• There are no nonbonding pairs on the central atom and all of the atoms bonded to the central atom are the same.

Why is the molecule nonpolar?

• There are nonbonding pairs on the central atom.

• There are different types of elements bonded to the central atom.

• There are no nonbonding pairs on the central atom and all of the atoms bonded to the central atom are the same.

Tags

NGSS.HS-PS1-1