Polarity of Water

_____________ causes water to stick to other polar substances.

• solubility

• surface tension

• cohesion

• adhesion

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

• Around hydrogen

• Around oxygen

• Evenly distributed

• At the center

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

• Partial positive

• Partial negative

• Neutral

• Completely negative

The universal solvent,​ (a)   , is comprise of two ​ (b)   atoms that have partial ​ (c)   charges and one ​ (d)   atom that has a partial ​ (e)   charge.

• water

• hydrogen

• positive

• oxygen

• negative

is a ________ molecule.

• polar

• nonpolar

• ionic

• metallic

Tags

NGSS.MS-PS1-1

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

• Its color

• Its high specific heat

• Its polarity

• Its odor

Oil does not dissolve in water because

• due to their densities

• oil is polar and water is nonpolar

• oil is nonpolar and water is polar

When sodium chloride dissolves in water the sodium will be attracted to​ ​ the (a)   part of water and the chlorine ion will be attracted to the ​ (b)   part of water

• oxygen

• hydrogen

Tags

NGSS.MS-PS1-2

What property of water allows it to dissolve many substances?

• Cohesion

• Adhesion

• Polarity

• Viscosity

Which part of the water molecule is attracted to positive ions?

• Hydrogen

• Oxygen

• Both hydrogen and oxygen

• Neither hydrogen nor oxygen