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Chapter 4

Answer the questions using the "radio bullets" to the right.

Ignore questions and choices that aren't used, the form is standard.

Special Instructions (if any)

Multiple Choice

Identify the letter of the choice that best completes the statement or answers the question.

 

____    1.         The most common elements in most living things are

a.         oxygen, carbon, hydrogen, and calcium.

b.         oxygen, carbon, hydrogen, and nitrogen.

c.         oxygen, carbon dioxide, hydrogen, and nitrogen.

d.         oxygen, carbon, sodium, and nitrogen.

 

 

____    2.         The nucleus is made up of

a.         protons and electrons.

b.         electrons and neutrons.

c.         protons and neutrons.

d.         protons, neutrons, and electrons.

 

 

____    3.         What type of ion forms when an atom loses electrons?

a.         neutral

b.         positive

c.         negative

d.         possibly positive or negative

 

 

____    4.         Identify the reactant(s) in the chemical reaction, CO2 + H2O  H2CO3.

a.         CO2, H2O, and H2CO3

b.         CO2 and H2O

c.         H2CO3

d.         CO2

 

 

____    5.         Solutions that contain concentrations of H+ ions lower than pure water

a.         have pH values below 7.

b.         are acids.

c.         are bases.

d.         are enzymes.

 

Exploring Life - Reading Homework Quiz

When you click Submit (at the bottom of this web page) it will save your work on the server for me. If you get a "proxy error" hit -refresh- until you get a "Thanks"

WHILE I OBVIOUSLY CAN NOT MAKE SURE YOU DON'T CHEAT REMEMBER THAT YOU ARE RESPONSIBLE FOR THE WORK!

TAB OR USE THE MOUSE Between the fields....

Answer the questions as best you can.

If your book isn't handy, you can work on this from any computer once you have signed up for SuccessNet ( http://www1.pearsonsuccessnet.com/authoring/login/login.jsp)

Name (First name Last name NO Middle Initial or other characters)

Class Period 
1 2 3 4 5 6 7 8

Question 1
A B C D E F G H

Question 2
A B C D E F G H

Question 3
A B C D E F G H

Question 4
A B C D E F G H

Question 5
A B C D E F G H

Question 6
A B C D E F G H

Question 7
A B C D E F G H

Question 8
A B C D E F G H

Question 9
A B C D E F G H

Question 10
A B C D E F G H
 

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