BIOS 251 ANATOMY AND PHYSIOLOGY ACTUAL EXAM WITH 130 QUESTIONS AND WELL-VERIFIED CORRECT ANWERS| ALREADY GRADED A+ | BIOS 251 LATEST EXAM

BIOS 251 ANATOMY AND PHYSIOLOGY
ACTUAL EXAM WITH 130 QUESTIONS
AND WELL-VERIFIED CORRECT
ANWERS| ALREADY GRADED A+ | BIOS
251 LATEST EXAM 2025-2026




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.


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


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


This type of intermolecular bond is key to how water molecules interact with each
other: - ANSWER-hydrogen bonding