Question 1

An element can't be broken down into another form of pure matter.

Accepted Answer

A) True 
 B)False

Question 2

Hydrogen bonds may form between oxygen of one water molecule and ________ of another water molecule.

Accepted Answer

The answer of Hydrogen bonds may form between oxygen of...

Question 3

Neutrons are negatively charged.

Accepted Answer

A) True 
 B)False

Question 4

An atom whose atomic number is 10 has how many electrons in its outermost energy level?

Accepted Answer

A)  eight
B)  ten
C)  two
D)  three
E)  five

Question 5

________ orbit around the nucleus of an atom.

Accepted Answer

The answer of ________ orbit around the nucleus of an...

Question 6

From its atomic number of 10,you can predict that a neon atom:

Accepted Answer

A)  is not chemically reactive.
B)  has an unfilled outer shell.
C)  has 10 neutrons.
D)  can easily gain or lose electrons.

Question 7

Nonpolar molecules develop when:

Accepted Answer

A)  shared electrons are not shared equally.
B)  both atoms have similar electronegativity.
C)  one atom is much more electronegative than the other.
D)  electrons are completely transferred from one atom to another.

Question 8

Hydrogen bonds are very important in the functional shape of:

Accepted Answer

A)  proteins.
B)  sugars.
C)  fats.
D)  nucleic acids.
E)  proteins and nucleic acids.

Question 9

An atom always contains the same number of protons as neutrons.

Accepted Answer

A) True 
 B)False

Question 10

Atoms with eight electrons in their outer shells tend to:

Accepted Answer

A)  form covalent bonds.
B)  form ionic bonds.
C)  be chemically reactive.
D)  be stable and unreactive.

Question 11

Water is a polar molecule because:

Accepted Answer

A)  oxygen is more electronegative than hydrogen.
B)  hydrogen has more neutrons than oxygen.
C)  oxygen has more electrons than hydrogen.
D)  oxygen has more neutrons than hydrogen.
E)  hydrogen is more electronegative than oxygen.

Question 12

Which of the following are found in the nucleus of an atom?

Accepted Answer

A)  protons
B)  neutrons
C)  electrons
D)  protons and neutrons
E)  protons, neutrons, and electrons

Question 13

What is it about carbon-12,carbon-13,and carbon-14 that makes them all carbon?

Accepted Answer

A)  They all have the number of protons plus neutrons that is characteristic of carbon.
B)  They all have the number of protons that is characteristic of carbon.
C)  They all have the number of neutrons that is characteristic of carbon.
D)  They all are radioactive.
E)  They all are elements.

Question 14

Hydrophobic molecules tend to be ________ by water.

Accepted Answer

A)  repelled
B)  absorbed
C)  mixed
D)  attracted

Exam 2: Fundamental Building Blocks: Chemistry, water, and Ph

Hydrogen bonds may form between oxygen of one water molecule and ________ of another water molecule.

Correct Answer
verified

Hydrogen bonds are very important in the functional shape of:

Correct Answer
verified

Water is a polar molecule because:

Correct Answer
verified

An element can't be broken down into another form of pure matter.

Correct Answer
verified

What is it about carbon-12,carbon-13,and carbon-14 that makes them all carbon?

Correct Answer
verified

Atoms with eight electrons in their outer shells tend to:

Correct Answer
verified

Neutrons are negatively charged.

Correct Answer
verified

Nonpolar molecules develop when:

Correct Answer
verified

An atom always contains the same number of protons as neutrons.

Correct Answer
verified

From its atomic number of 10,you can predict that a neon atom:

Correct Answer
verified

________ orbit around the nucleus of an atom.

Correct Answer
verified

An atom whose atomic number is 10 has how many electrons in its outermost energy level?

Correct Answer
verified

Hydrophobic molecules tend to be ________ by water.

Correct Answer
verified

Which of the following are found in the nucleus of an atom?

Correct Answer
verified

Exam 2: Fundamental Building Blocks: Chemistry, water, and Ph

Hydrogen bonds may form between oxygen of one water molecule and ________ of another water molecule.

Correct AnswerverifiedShow Answer

Hydrogen bonds are very important in the functional shape of:

Correct AnswerverifiedShow Answer

Water is a polar molecule because:

Correct AnswerverifiedShow Answer

An element can't be broken down into another form of pure matter.

Correct AnswerverifiedShow Answer

What is it about carbon-12,carbon-13,and carbon-14 that makes them all carbon?

Correct AnswerverifiedShow Answer

Atoms with eight electrons in their outer shells tend to:

Correct AnswerverifiedShow Answer

Neutrons are negatively charged.

Correct AnswerverifiedShow Answer

Nonpolar molecules develop when:

Correct AnswerverifiedShow Answer

An atom always contains the same number of protons as neutrons.

Correct AnswerverifiedShow Answer

From its atomic number of 10,you can predict that a neon atom:

Correct AnswerverifiedShow Answer

________ orbit around the nucleus of an atom.

Correct AnswerverifiedShow Answer

An atom whose atomic number is 10 has how many electrons in its outermost energy level?

Correct AnswerverifiedShow Answer

Hydrophobic molecules tend to be ________ by water.

Correct AnswerverifiedShow Answer

Which of the following are found in the nucleus of an atom?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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