Polarity

H in H₂O is

• +

• -

O in H₂O is

• +

• -

Na in NaCl is

• +

• -

Cl in NaCl is

• +

• -

polar dissolves....

• polar

• non-polar

What is the universal solvent?

• water

• carbon dioxide

• ammonia

• hydrogen

adhesion is...

• the attraction between molecules of a different substance

• the attraction between molecules of the same substance

• inward attraction of particles

• hydrogen

cohesion is...

• the attraction between molecules of a different substance

• the attraction between molecules of the same substance

• inward attraction of particles

• hydrogen

Which of the following is true?

• + is attracted to +

• + is attracted to -

• -is attracted to -

surface tension is...

• the attraction between molecules of a different substance

• the attraction between molecules of the same substance

• inward attraction of particles

• hydrogen