CHEM V1/V2, AP V1/V2, HESI A2 BIOLOGY 2026 EXAM WITH QUESTIONS AND CORRECT ANSWERS

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CHEM V1/V2, AP V1/V2, HESI A2
BIOLOGY 2026 EXAM WITH
QUESTIONS AND CORRECT ANSWERS

If a Hydrogen is in a compound, what would its oxidation number be? -
correct answer-+1


What is the oxidation number of any simple ion? - correct answer-The
same as charge of the ion


How many kilograms are in a pound? - correct answer-0.453592 kg


What is the temperature for freezing point of water in Celsius? - correct
answer-0 degrees Celsius (32°F for Fahrenheit)


What is the conversion of Celsius to Fahrenheit? - correct answer-
5F=9C+160 (remember 5F because you have 5 fingers on a hand and 9C
because cats have 9 lives)


What is the oxidation number of an element atom? - correct answer-0


What is the freezing point of sea water in Fahrenheit? - correct answer--2C


How many amino acids are in a dipeptide? - correct answer-2

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If Oxygen is in a compound, what would its oxidation number be? - correct
answer--2


Which of the following pH values would lemon juice likely have? - correct
answer-2 because the lower the pH value, the more acidic


What is a pentose? - correct answer-A 5 carbon sugar (Pent = 5) (ose =
sugar)


What is the oxidation state of the Sulfur atom in Sulfuric Acid H2SO4? -
correct answer-6(each H is +1, each O is -2. All charges have to add to 0.
2+S-8=0


How many neutrons does carbon 14 have? - correct answer-8 ( mass# -
atomics # = neutrons) 14 6= 8


How many protons does Potassium have? - correct answer-19


How many amino acids are essential for human life - correct answer-20
amino acids


Normal body temperature in °C? - correct answer-37°C


Normal body temperature in °F? - correct answer-98.6°F


Boiling point of water in °C? - correct answer-100°C


Boiling point of water in °F? - correct answer-212°F

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0°K is equal to°C? - correct answer--273°C


The term Amphoterie means? - correct answer-A substance that can act as
both a base & acid


What is Kelvin based around? - correct answer-Absolute zero


A compound that is Hydrogen or proton donor, corrosive to metals, causes
blue litmus paper to become red and becomes less acidic when mixed with
a base is? - correct answer-Acid


Mixture of 2 or more metals are? - correct answer-Alloys


pH less than 7.0 sour/tart Formulas begin with H (Hydrogen) Proton Donor
- correct answer-Acids:


3 types of radiation in nuclear chemistry? - correct answer-Alpha, Beta &
Gamma


Emission of Helium (He) ions in the nuclei Contains 2 protons & 2 neutrons.
+2 Charge radiation particle. Can Largest be stopped by piece of paper -
correct answer-Alpha radiation


Type of Alloy in which another metal is dissolved in Mercury (Hg)? - correct
answer-Amalgam


Proteins are made up of? - correct answer-Amino acids

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Glycogen is what kind of starch? - correct answer-Animal Starch


When an atom GAINS ONE or more electrons - correct answer-Anions
(negative ion)


Basic building block of a molecule? - correct answer-Atom (NOT CELL!!)


Atomic mass? - correct answer-Average mass of a elements isotope


Atomic #: - correct answer-# of protons in nucleus of an atom


A Hydrogen or proton ACCEPTOR & has hydroxide group in the makeup of
the molecule Produce -OH Bitter, slippery, conduct electricity, formulas
contain -OH pH value greater than 7.0 Proton acceptor - correct answer-
Base


_________are Proton donors as Bases are proton acceptors - correct
answer-Acids


Decomposition product of a proton or neutron High speed/energy Electrons
EITHER - charged electrons or + charged positrons Can be stopped by
aluminum foil - correct answer-Beta radiation:


What is Biochemistry? - correct answer-Study of substances & processes
occurring in living things


Fahrenheit is based off of? - correct answer-Body temp