Anatomy & Physiology BIOS 251 Exam 2026/2027 – Instant Download – Updated Exam Solutions

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ANATOMY & PHYSIOLOGY BIOS 251 2026
100% PASS ASSURED UPDATED EXAM
SOLUTIONS.



Which of the following would you classify as a
molecule?
Cu
Fe
N
S2F - correct answer- S2F




Which of these subatomic particles is found
outside of the nucleus of an atom?
Nucleons
Protons
Neutrons
Electrons - correct answer- electrons




Which of the following would you classify as a
cation?
OH-
K+

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S2-
FeO - correct answer- K+




If we cut a chunk of iron into smaller pieces,
is it still iron no matter how small the
pieces are? - correct answer- Yes, an atom of
iron would be iron no matter how small the
pieces became.




A molecule with 14 total electrons and 12
total protons has a charge of? - correct
answer- -2




An atom with 55 protons and 54 electrons has a
charge of? - correct answer- +1




An atom with 12 protons and 10 electrons has a
charge of? - correct answer- +2




A molecule with 76 electrons and 73 protons
has a charge of? - correct answer- -3

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Which of the following would be a molecule?
Li
CuO
Mg
C - correct answer- CuO




An atom has a mass number of 48 and 22
neutrons. How many protons would this atom
have? - correct 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 - correct answer- ion, cation




If I had an ion with 26 protons, and 28
neutrons, and 27 electrons, what would be the
charge of this ion? - correct answer- -1