BIO 201 Anatomy and physiology 1 BEST EXAM Questions with 100% verified answers 2022/2023 update
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BIO 201 Anatomy and physiology 1
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BIO 201 Anatomy And Physiology 1
BIO 201 Anatomy and physiology 1 BEST EXAM Questions with 100% verified answers 2022/2023 update
Topic 2
Question 1
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Question text
Isotopes of the same element have
Select one:
a. the same number of neutrons but d...
BIO 201 Anatomy and physiology 1 BEST EXAM Questions with 100%
verified answers 2022/2023 update
Topic 2
Question 1
Correct
1.75 points out of 1.75
Not flaggedFlag question
Question text
Isotopes of the same element have
Select one:
a. the same number of neutrons but different numbers of protons.
b. different numbers of protons and electrons.
c. the same mass number.
d. the same atomic number but differ in their mass numbers. Correct
e. no mass number.
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The correct answer is: the same atomic number but differ in their mass numbers.
Question 2
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Question text
The mass number of an atom is the number of
Select one:
BIO 201 Anatomy and physiology 1 BEST EXAM
Questions with 100% verified answers 2022/2023
update
,a. protons in the atom.
b. neutrons in the atom.
c. protons plus electrons in the atom.
d. electrons plus neutrons in the atom. Incorrect
e. neutrons plus protons in the atom.
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The correct answer is: neutrons plus protons in the atom.
Question 3
Correct
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Question text
Sodium chloride is considered a(n)
Select one:
a. molecule.
b. compound. Correct
c. molecule and a compound.
d. element.
e. ion.
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The correct answer is: compound.
Question 4
Correct
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Question text
Covalent bonds form when
BIO 201 Anatomy and physiology 1 BEST EXAM
Questions with 100% verified answers 2022/2023
update
,Select one:
a. atomic nuclei fuse.
b. molecules become ionized.
c. neutrons are transferred from one atom to another.
d. protons are lost from atoms.
e. electrons are shared between two atoms. Correct
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The correct answer is: electrons are shared between two atoms.
Question 5
Correct
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Question text
The number of atoms in exactly 12 grams of carbon-12 is called
Select one:
a. Dalton's number.
b. Socrates's number.
c. Avogadro's number. Correct
d. Pasteur's number.
e. Le Chatelier's number.
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The correct answer is: Avogadro's number.
Question 6
Incorrect
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BIO 201 Anatomy and physiology 1 BEST EXAM
Questions with 100% verified answers 2022/2023
update
, Not flaggedFlag question
Question text
If the products of a chemical reaction contain less potential energy than the reactants,
Select one:
a. energy has been stored in the molecular bonds of the product.
b. energy has been released by the breaking of molecular bonds.
c. the reaction will be reversible without additional energy input.
d. a synthesis reaction is likely to have occurred.
e. All of these choices are correct. Incorrect
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The correct answer is: energy has been released by the breaking of molecular bonds.
Question 7
Correct
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Question text
An atom of chlorine has 17 protons and 18 neutrons. Which of the following statements is true?
Select one:
a. Chlorine atoms have 18 electrons.
b. Chlorine has a mass number of 35. Correct
c. Chlorine has an atomic number of 18.
d. Chlorine has 35 electrons.
e. Chlorine has an atomic number of 35.
Feedback
The correct answer is: Chlorine has a mass number of 35.
Question 8
BIO 201 Anatomy and physiology 1 BEST EXAM
Questions with 100% verified answers 2022/2023
update
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