the oxygen side is negative and the hydrogens side is positively charged
the oxygen side is positive and the hydrogens side is negatively charged
the hydrogen atoms pull on the electrons more than the oxygen atom does
the oxygen and the hydrogen atoms pull on the electrons equally
The weak and temporary bond between the positive hydrogen side of a molecule and the negative side of another molecule (maybe water) is called ...
negative side of another molecule is called a ...
oxygen bond
covalent bond
hydrogen bond
ionic bond
The hydrogen bond between the 2 water molecules is an example of _________________, while the hydrogen bond between a water and another molecules (like the sides of the tube shown in the diagram) is an example of _____________
adhesion/cohesion
cohesion/adhesion
surface tension/capillary action
cohesion/cohesion
adhesion/adhesion
capillary action
surface tension
water is a good solvent
water moderate temperatures (slows down changes in temperature)
Which of the following is true about the pH levels of acids and bases?
Acids have pH greater than 7, bases have pH less than 7
Acids have pH less than 7, bases have pH greater than 7
Both acids and bases have pH greater than 7
Both acids and bases have pH less than 7
How do acids and bases differ in terms of H+ and OH- ion concentration?
Acids and bases contain no hydrogen ions
Acids have less hydrogen ions, bases have more
Acids and bases have the same amount of hydrogen ions
Acids have more hydrogen ions, bases have more OH-
What happens when CO2 dissolves (diffuses) into ocean water? Choose all that are correct.
It makes the ocean water more basic
It makes the ocean water more acidic
It makes it harder for shellfish to grow their shells