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BIOS 251 ANATOMY & PHYSIOLOGY TEST
EXAM|| QUESTIONS AND 199% CORRECT
ANSWERS ALREADY GRADED A+|| LATEST AND
COMPLETE UPDATE 2025 WITH VERIFIED
SOLUTIONS GUARANTEED A+
Which of the following would you classify as a molecule?
Cu
Fe
N
S2F - ANSWER: S2F
Which of these subatomic particles is found outside of the nucleus of an atom?
Nucleons
Protons
Neutrons
Electrons - ANSWER: electrons
Which of the following would you classify as a cation?
OH-
K+
S2-
FeO - ANSWER: K+
If we cut a chunk of iron into smaller pieces, is it still iron no matter how small the
pieces are? - ANSWER: Yes, an atom of iron would be iron no matter how small
the pieces became.
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A molecule with 14 total electrons and 12 total protons has a charge of? -
ANSWER: -2
An atom with 55 protons and 54 electrons has a charge of? - ANSWER: +1
An atom with 12 protons and 10 electrons has a charge of? - ANSWER: +2
A molecule with 76 electrons and 73 protons has a charge of? - ANSWER: -3
Which of the following would be a molecule?
Li
CuO
Mg
C - ANSWER: CuO
An atom has a mass number of 48 and 22 neutrons. How many protons would this
atom have? - ANSWER: 26
Select all the terms we could use to describe an Al atom with a charge of +3. Select
all that apply.
Anion
Ion
Molecule
Cation - ANSWER: ion, cation
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If I had an ion with 26 protons, and 28 neutrons, and 27 electrons, what would be
the charge of this ion? - ANSWER: -1
Which of the following compounds would you expect to be an electrolyte?
N2
O2
KCI
CH4
H2O - ANSWER: KCl
An ion has 26 protons, 28 neutrons, and 24 electrons. Which element is this ion? -
ANSWER: iron Fe
Which of the following terms would you use to describe Mg2+. Select all that
apply.
Ion
Molecule
Subatomic particle
Element - ANSWER: ion, element
What subatomic particle is transferred or shared to make chemical bonds? -
ANSWER: electrons
What is the name of the bonding type that involves the sharing of electrons? -
ANSWER: covalent bonding
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This type of intermolecular bond is key to how water molecules interreact with
each other: - ANSWER: hydrogen bonding
Hydrogen bonds are a type of: - ANSWER: intermolecular bond
Which of the following solutions would you consider acidic?
pH 10
pH 4
pH 7
pH 8 - ANSWER: pH 4
If you were to dissolve 2.5 grams of NaCl in 150 g of water, I would call the NaCl
the: - ANSWER: solute
I mix two liquids together and shake them up. I see that I have microscopic
droplets of one liquid suspended in the other. I would call this - ANSWER:
emulsion
Let us think back to our original cup of tea. We remove the teabag from the cup of
tea pictured above. Do you think that this cup of tea is a homogenous or
heterogenous solution? Assume when the teabag is removed, no tea leaves remain
in the cup. - ANSWER: homogenous
solution - ANSWER: Solute particles cannot be visually distinguished from
solvent or one another. Cannot be separated by a membrane or by settling out.
Usually transparent.
BIOS 251 ANATOMY & PHYSIOLOGY TEST
EXAM|| QUESTIONS AND 199% CORRECT
ANSWERS ALREADY GRADED A+|| LATEST AND
COMPLETE UPDATE 2025 WITH VERIFIED
SOLUTIONS GUARANTEED A+
Which of the following would you classify as a molecule?
Cu
Fe
N
S2F - ANSWER: S2F
Which of these subatomic particles is found outside of the nucleus of an atom?
Nucleons
Protons
Neutrons
Electrons - ANSWER: electrons
Which of the following would you classify as a cation?
OH-
K+
S2-
FeO - ANSWER: K+
If we cut a chunk of iron into smaller pieces, is it still iron no matter how small the
pieces are? - ANSWER: Yes, an atom of iron would be iron no matter how small
the pieces became.
,2|Page
A molecule with 14 total electrons and 12 total protons has a charge of? -
ANSWER: -2
An atom with 55 protons and 54 electrons has a charge of? - ANSWER: +1
An atom with 12 protons and 10 electrons has a charge of? - ANSWER: +2
A molecule with 76 electrons and 73 protons has a charge of? - ANSWER: -3
Which of the following would be a molecule?
Li
CuO
Mg
C - ANSWER: CuO
An atom has a mass number of 48 and 22 neutrons. How many protons would this
atom have? - ANSWER: 26
Select all the terms we could use to describe an Al atom with a charge of +3. Select
all that apply.
Anion
Ion
Molecule
Cation - ANSWER: ion, cation
,3|Page
If I had an ion with 26 protons, and 28 neutrons, and 27 electrons, what would be
the charge of this ion? - ANSWER: -1
Which of the following compounds would you expect to be an electrolyte?
N2
O2
KCI
CH4
H2O - ANSWER: KCl
An ion has 26 protons, 28 neutrons, and 24 electrons. Which element is this ion? -
ANSWER: iron Fe
Which of the following terms would you use to describe Mg2+. Select all that
apply.
Ion
Molecule
Subatomic particle
Element - ANSWER: ion, element
What subatomic particle is transferred or shared to make chemical bonds? -
ANSWER: electrons
What is the name of the bonding type that involves the sharing of electrons? -
ANSWER: covalent bonding
, 4|Page
This type of intermolecular bond is key to how water molecules interreact with
each other: - ANSWER: hydrogen bonding
Hydrogen bonds are a type of: - ANSWER: intermolecular bond
Which of the following solutions would you consider acidic?
pH 10
pH 4
pH 7
pH 8 - ANSWER: pH 4
If you were to dissolve 2.5 grams of NaCl in 150 g of water, I would call the NaCl
the: - ANSWER: solute
I mix two liquids together and shake them up. I see that I have microscopic
droplets of one liquid suspended in the other. I would call this - ANSWER:
emulsion
Let us think back to our original cup of tea. We remove the teabag from the cup of
tea pictured above. Do you think that this cup of tea is a homogenous or
heterogenous solution? Assume when the teabag is removed, no tea leaves remain
in the cup. - ANSWER: homogenous
solution - ANSWER: Solute particles cannot be visually distinguished from
solvent or one another. Cannot be separated by a membrane or by settling out.
Usually transparent.
