General Chemistry (Kaplan MCAT)
2025/2026 Exam Questions and Verified
Answers | Already Graded A+
Proton - 🧠ANSWER ✔✔A subatomic particle that has a positive charge and
that is found in the nucleus of an atom
Neutron - 🧠ANSWER ✔✔A subatomic particle that has no charge and that
is found in the nucleus of an atom
Electron - 🧠ANSWER ✔✔A subatomic particle that has a negative charge
What is the mass of a proton? - 🧠ANSWER ✔✔1 amu
atomic number (Z) - 🧠ANSWER ✔✔the number of protons found in an atom
of that element
,mass number (A) - 🧠ANSWER ✔✔the sum of the protons and neutrons in
an atom's nucleus
isotopes - 🧠ANSWER ✔✔share an atomic number but have a different
mass number
the mass of an electron - 🧠ANSWER ✔✔1/2000th of a proton's mass
electrons closer to the nucleus are at ______________ energy levels and
electrons further from the nucleus are at ______________ energy levels -
🧠ANSWER ✔✔lower, higher
valence electrons - 🧠ANSWER ✔✔Electrons on the outermost energy level
of an atom
electrons that are the most likely to become involved in bonds with other
atoms because they experience the least electrostatic pull from their own
nucleus - 🧠ANSWER ✔✔valence electrons
atomic mass - 🧠ANSWER ✔✔same as mass number, equal to the sum of
protons and neutrons
atomic weight - 🧠ANSWER ✔✔Average of the mass numbers of all
isotopes, this is the number reported on the periodic table
,the mass of one mole of an element can be represented by ____________
(atomic mass or atomic weight?) - 🧠ANSWER ✔✔atomic weight
Avagadro's number - 🧠ANSWER ✔✔the number of atoms in one mole
6.022 X 10^23
Planck relation - 🧠ANSWER ✔✔Frequency= [E=hf]
Wavelength=[E=hc/w]
h=6.626e-34J*s
c=3e8m/s
w=nm units (ex. 500e-9= 5.00e-7m)
Planck's constant - 🧠ANSWER ✔✔6.626 x 10^-34
Angular Momentum equation - 🧠ANSWER ✔✔L=nh/2pi
postulated that the atom had a dense, positively charged nucleus that
made up only a small fraction of the volume of the atom - 🧠ANSWER
✔✔Rutherford
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, Bohr model of the atom - 🧠ANSWER ✔✔a dense, positively charged
nucleus is surrounded by electrons revolving around the nucleus in orbits
with distinct energy levels
Bohr's Energy of Electron - 🧠ANSWER ✔✔Single Electron=[E= -RH/n^2]
Transition=[E=-RH(1/ni^2 - 1/nf^2)]
Rh = 2.18*(10^-18) J/e-
+E=emission, -E=absorption
a quantum - 🧠ANSWER ✔✔the energy difference between energy levels
first described by Planck
Quantization - 🧠ANSWER ✔✔the concept that energy can occur only in
discrete units called quanta, the energy of an electron increases as it gets
farther from the nucles
atomic absorption spectrum - 🧠ANSWER ✔✔The unique spectrum of light
absorbed when an atom's electrons are excited to higher energy levels.
2025/2026 Exam Questions and Verified
Answers | Already Graded A+
Proton - 🧠ANSWER ✔✔A subatomic particle that has a positive charge and
that is found in the nucleus of an atom
Neutron - 🧠ANSWER ✔✔A subatomic particle that has no charge and that
is found in the nucleus of an atom
Electron - 🧠ANSWER ✔✔A subatomic particle that has a negative charge
What is the mass of a proton? - 🧠ANSWER ✔✔1 amu
atomic number (Z) - 🧠ANSWER ✔✔the number of protons found in an atom
of that element
,mass number (A) - 🧠ANSWER ✔✔the sum of the protons and neutrons in
an atom's nucleus
isotopes - 🧠ANSWER ✔✔share an atomic number but have a different
mass number
the mass of an electron - 🧠ANSWER ✔✔1/2000th of a proton's mass
electrons closer to the nucleus are at ______________ energy levels and
electrons further from the nucleus are at ______________ energy levels -
🧠ANSWER ✔✔lower, higher
valence electrons - 🧠ANSWER ✔✔Electrons on the outermost energy level
of an atom
electrons that are the most likely to become involved in bonds with other
atoms because they experience the least electrostatic pull from their own
nucleus - 🧠ANSWER ✔✔valence electrons
atomic mass - 🧠ANSWER ✔✔same as mass number, equal to the sum of
protons and neutrons
atomic weight - 🧠ANSWER ✔✔Average of the mass numbers of all
isotopes, this is the number reported on the periodic table
,the mass of one mole of an element can be represented by ____________
(atomic mass or atomic weight?) - 🧠ANSWER ✔✔atomic weight
Avagadro's number - 🧠ANSWER ✔✔the number of atoms in one mole
6.022 X 10^23
Planck relation - 🧠ANSWER ✔✔Frequency= [E=hf]
Wavelength=[E=hc/w]
h=6.626e-34J*s
c=3e8m/s
w=nm units (ex. 500e-9= 5.00e-7m)
Planck's constant - 🧠ANSWER ✔✔6.626 x 10^-34
Angular Momentum equation - 🧠ANSWER ✔✔L=nh/2pi
postulated that the atom had a dense, positively charged nucleus that
made up only a small fraction of the volume of the atom - 🧠ANSWER
✔✔Rutherford
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, Bohr model of the atom - 🧠ANSWER ✔✔a dense, positively charged
nucleus is surrounded by electrons revolving around the nucleus in orbits
with distinct energy levels
Bohr's Energy of Electron - 🧠ANSWER ✔✔Single Electron=[E= -RH/n^2]
Transition=[E=-RH(1/ni^2 - 1/nf^2)]
Rh = 2.18*(10^-18) J/e-
+E=emission, -E=absorption
a quantum - 🧠ANSWER ✔✔the energy difference between energy levels
first described by Planck
Quantization - 🧠ANSWER ✔✔the concept that energy can occur only in
discrete units called quanta, the energy of an electron increases as it gets
farther from the nucles
atomic absorption spectrum - 🧠ANSWER ✔✔The unique spectrum of light
absorbed when an atom's electrons are excited to higher energy levels.
