Question

HELP

Answer 1

Which statement is true about water molecules? (Points : 1)
The oxygen atom has a negative charge.
The hydrogen atoms do not share electrons.
Water molecules move randomly around each other.
Water molecules cannot dissolve many substances.


Question 2. 2. How does water relate to the ability of a living thing to generate energy? (Points : 1)
Water is responsible for the generation of energy in the cell.
The cell is an aqueous environment.
Without the proper balance of water, chemical reactions in cells could not take place.


Question 3. 3. What is the most important role of hydrogen bonding between water molecules? (Points : 1)
It enables water molecules to bond to each other.
It allows oxygen and hydrogen atoms to be charged.
It allows cells to keep water in balance.


Question 4. 4. Which of the following will occur when a water molecule bonds with a spider web? (Points : 1)
Cohesion
Adhesion
Surface tension


Question 5. 5. Which characteristic of water allows for a spider to glide across the top of the water due to strong hydrogen bonds among water molecules? (Points : 1)
Cohesion
Adhesion
Surface tension


Question 6. 6. _________________ occurs when molecules of the same substance are attracted to each other. (Points : 1)
Cohesion
Adhesion
Surface tension


Question 7. 7. Which word completes the following statement: Water _________ when it freezes. (Points : 1)
Contracts
Expands
Dissolves


Question 8. 8. Ice is less ________ than water because hydrogen bonds are more _________ and bond to each of its neighbors. (Points : 1)
Solid, unstable
Liquid, stable
Dense, stable


Question 9. 9. Due to its ____________, water is able to resist changes in temperature, which means it takes a lot of heat to make it get hot. (Points : 1)
Adhesion
Specific heat
Shape





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Answer 2

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Answer 3

OBVIOUSLY. THIS IS A TEST!

Answer 4

nope buddy practice quiz for the real quiz which will eventually help me past the test @abb0t

Answer 5

Please do not copy and paste your problems. If people are going to spend time to help you, you should at least spend the time to ask your question as clearly as possible.

Answer 6

Uh, hello, this is clearly an exam!! CLOSE THIS!

Answer 7

there's a time, and there's points for each one!! C'mon!!