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The Anatomy and Physiology Study Set 1

Biology

Quiz 2 :

Chemistry, matter, and Life

Quiz 2 :

Chemistry, matter, and Life

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In the covalent molecule of water,the shared electrons are more closely associated with the oxygen than with the hydrogen.This makes water a polar molecule with the hydrogen end positively charged and the oxygen end negatively charged.
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True False
Answer:

Answer:

True

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Anything that has mass and takes up space is
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Multiple Choice
Answer:

Answer:

B

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A certain neutral atom has an atomic number = 19 and a mass number = 39.Which of the following are correct? 1)It has 19 electrons. 2)It has 20 protons. 3)It has 20 neutrons. 4)It has a total of 39 protons and electrons.
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Multiple Choice
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Answer:

B

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The three most abundant elements in the body are
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The simplest form of matter is a(n)
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The chemical symbol for copper is
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A mixture of salt and water that is clear and does not settle is called a suspension.
True False
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Glycogen and glucose are examples of carbohydrates.
True False
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If an atom has 7 protons,there will be
Multiple Choice
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Na is the chemical symbol for
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The positively charged particle in the nucleus of an atom is
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The chemical symbol for calcium is C.
True False
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Based on the number of electrons in its outer shell or highest energy level,which of these atoms is most stable?
Multiple Choice
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An element with 11 protons,11 electrons,and 12 neutrons has a mass number = 34 amu.
True False
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A sugar,a phosphate,and a nitrogenous base make up a nucleotide,which is the building block of a nucleic acid.
True False
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How many neutrons are in a neutral atom with 8 protons and a mass number of 16?
Multiple Choice
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Crushing a substance into a fine powder tends to increase its reaction rate.
True False
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If a base is added to a solution,the pH of the solution decreases.
True False
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An iron atom that loses three electrons becomes a positively charged ion.
True False
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Fatty acids are the building blocks of proteins.
True False
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