COL + H20 Flashcards
What kind of bonds hold together hydrogen and oxygen atoms?
Polar bonds
Polar bonds hold together what atoms?
Hydrogen and oxygen atoms
The electrons are not shared equally. What kind of molecule does this create?
A covalent molecule
What does the polarity of water allow it to do to most substances?
Dissolve
Because water dissolves most substances, what is water often referred to as?
The Universal Solvent
What is the property of water molecules sticking to other water molecules called?
Cohesion
How many Hydrogen atoms are in a water molecule?
Two
How many Oxygen atoms are in a water molecule?
One
In what way is hydrogen charged?
Positively
In what way is Oxygen charged?
Negatively
What is the property of water molecules sticking to other materials due to its polar nature called?
Adhesion
What kind of tension makes a skin-like surface formed due to the polar nature of water?
Surface tension
Are hydrogen bonds easy or difficult to break?
Easy
Any living thing is called a(n) ___.
Organism
Living things have what in the form of DNA?
Genetic material
All organisms must use energy to break down and build up materials in a process called ___.
Metabolism
Organisms must retain _____.
Homeostasis
Levels of biological organization range from what to what?
Molecules to biosphere
Living thing change over long periods of time. What are these changes called?
Adaptations
What is the first characteristic of life?
Order
What is the second characteristic of life?
Heredity/DNA
What is the third characteristic of life?
Reproduction
What is the fourth characteristic of life?
Growth and Development
What is the fifth characteristic of life?
Response to the environment
What is the sixth characteristic of life?
Evolutionary adaptation
What is the seventh characteristic of life?
Energy processing
What is the eighth characteristic of life?
Regulation
What is the first property of water?
Cohesion
What is the second property of water
Adhesion
What is the third principle of water
Capillary Action
What is the fourth principle of water?
Surface Tension
What is the fifth principle of water?
Universal Solvent
What is the sixth principle of water?
Specific Heat Capacity (High)
What is the seventh principle of water?
Hydrophobic vs. Hydrophilic
Water dissolves many things, making it a good _______.
Solvent
If something is hydrophobic, it is _____-_______.
Water-fearing
If something is hydrophilic, it is _____-______.
Water-loving
Yes or no: Does something hydrophobic dissolve in water?
No
Yes or no: Does something hydrophilic dissolve in water?
Yes
What does polar mean?
The atom’s electrons are distributed unevenly
What kind of bonds are in between water molecules?
Hydrogen bonds
