Lesson 3: Properties of Water Flashcards
1
Q
What are 6 properties of water?
A
High Surface Tension
Cohesion
Adhesion
Universal Solvent
High heat capacity
Changes in Density
2
Q
What does cohesion and adhesion?
A
Cohesion means it sticks well together attracts to other water molecules.
Adhesion: Sticks well with other molecules as well.
3
Q
What charge does oxygen and hydrogen have in water?
A
Oxygen: Has a slight net negative charge.
Hydrogen: Has a small net positive charge.
4
Q
What is represented by a hydrogen bond?
A
It is represented by a dotted line because it is weak and broken easily.
5
Q
Approximately how much of the human body is water?
A
Approximately 70%
6
Q
How can substances enter/cross the cell membrane of our cells?
A
Only substances dissolved in water can enter (ex. Glucose, amino acids)
