Water Polarity

Water is a _____ molecule.

• polar

• nonpolar

Molecules that have a positively charged side and a negatively charged side are called ____ molecules.

• polar

• nonpolar

• imbalanced

• weird

Tags

NGSS.HS-PS2-6

What type of bond holds many water molecules together?

• covalent

• hydrogen

• ionic

• metallic

Where is the majority of the negative charge on the water molecule?

• Around hydrogen

• Around oxygen

• Evenly distributed

• At the center

What is the main reason water can form hydrogen bonds?

• It is non-polar.

• It is polar with a partial positive and negative charge.

• It is a gas.

• It has a high density.

What is the effect of water's polarity on its boiling point?

• It lowers the boiling point.

• It raises the boiling point.

• It has no effect on the boiling point.

• It makes water a gas at room temperature.

How does water's polarity affect its ability to dissolve substances?

• It makes water a poor solvent for ionic compounds.

• It allows water to dissolve both polar and non-polar substances.

• It helps water dissolve polar substances and ionic compounds.

• It prevents water from dissolving any substances.

What is the main reason water is a good solvent?

• It is non-polar.

• It is polar and can form hydrogen bonds.

• It has a high density.

• It is a gas.

What is the charge on the hydrogen end of a water molecule?

• Partial positive

• Partial negative

• Neutral

• Completely negative

Tags

NGSS.MS-PS1-1

"Like dissolves like". Which best fits this phrase?

• Its color

• Its high specific heat

• Its polarity

• Its odor