How many Oxygen atoms are in a water molecule?
1 Oxygen atom
True or false: Water is non-polar
False: Water IS polar
A molecule with a charge is a ____ molecule (hint: like how a magnet has a charge)
Polar
Many things dissolve in water because water is a ____ ____
Universal solvent
Water has a ____ pH
How many Hydrogen molecules are in a water molecule?
2 Hydrogen atoms
In a water molecule ____ has a negative charge
Oxygen
False: Oil will not dissolve in water
When water freezes it ____
A pH of 3
Acid
What is an atom?
The smallest unit of matter
This property allows water molecules to stick to other water molecules
Cohesion
Why will oil not dissolve in water?
Water is polar, oil is non-polar
It takes a lot of energy to change the temperature of water. This property is...
High Specific Heat Capacity
A pH of 12
Base
What bond holds a water molecule together?
Covalent bond
This property allows water to stick to other surfaces/things
Adhesion
How water can get from the ground, to the leaves of a tree
Capillary action
Together
What does a buffer do?
Prevents changes in pH
What binds different water molecules together?
Hydrogen Bonds
Surface tension
Capillary action is caused by these 2 properties
Cohesion & Adhesion
This property is why water needs a higher temperature to break the hydrogen bonds and turn water into a gas
High heat of vaporization
If a substance has a lot of OH- ions in it, that substance would be
Basic