BIOS 251 FINAL EXAM 2026 SUMMER FALL SESSION COMPLETE QUESTIONS WITH 100 PERCENT ACCURATE VERIFIED ANSWERS ADVANCED STUDY PACK GRADED A+

BIOS 251 FINAL EXAM 2026 SUMMER FALL
SESSION COMPLETE QUESTIONS WITH 100
PERCENT ACCURATE VERIFIED ANSWERS
ADVANCED STUDY PACK GRADED A+

⩥ 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


⩥ 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


⩥ 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