ATI TEAS 7 Practice Questions and
Answers A+ Guide
Chemical bonding -
a. Uses electrons that are closest to the nucleus of the
atoms bonding
b. Always uses electrons from only of the atoms involved
c. Uses all the electrons in all atoms involved
d. Uses the valence electrons of all the atoms involved -
correct answer ✅✅d. Uses the valence electrons of all
the atoms involved
Which of the following would have the most dramatic
effect in changing the reaction rate?
Decreasing the temperature by two-fold
Increasing the pressure by two-fold
Decreasing the activation energy by three-fold
Decreasing the concentration of reactants by two-fold -
correct answer ✅✅Decreasing the activation energy
by three-fold
,ATI TEAS 7 Practice Questions and
Answers A+ Guide
Group one in the periodic table has __________ valence
electrons and is __________reactive than Group two.
Zero; more
Zero; less
One; less
One; more - correct answer ✅✅One; less
Enzymes are created from amino acid chains. As such,
what might prevent the action of an enzyme?
A pH close to 7
A high temperature
The lack of hydrogen ions in solution
A lack of ATP in the cell - correct answer ✅✅A high
temperature
,ATI TEAS 7 Practice Questions and
Answers A+ Guide
If a scientists want to determine the rate at which an
enzyme works, what could he or she measure?
The rate at which the enzyme is degraded
The rate at which the product disappears
The rate at which the reactants disappear
The rate at which the products appears - correct
answer ✅✅The rate at which the products appears
The rate of a chemical reaction depends on all of the
following except
Surface area
Temperature
Presence of catalysts
Amount of mass lost - correct answer ✅✅Amount of
mass lost
, ATI TEAS 7 Practice Questions and
Answers A+ Guide
Which of the answer choices provided best defines the
following statement?
For a given mass and constant temperature, an inverse
relationship exists between the volume and pressure of a
gas?
Boyle's Law
Ideal Gas Law
Charles' Law
Stefan-Boltzmann Law - correct answer ✅✅Boyle's
Law
Prokaryotic and eukaryotic cells are similar in having
which of the following?
Integral membrane proteins in the plasma membrane
Presence of a nucleus
Answers A+ Guide
Chemical bonding -
a. Uses electrons that are closest to the nucleus of the
atoms bonding
b. Always uses electrons from only of the atoms involved
c. Uses all the electrons in all atoms involved
d. Uses the valence electrons of all the atoms involved -
correct answer ✅✅d. Uses the valence electrons of all
the atoms involved
Which of the following would have the most dramatic
effect in changing the reaction rate?
Decreasing the temperature by two-fold
Increasing the pressure by two-fold
Decreasing the activation energy by three-fold
Decreasing the concentration of reactants by two-fold -
correct answer ✅✅Decreasing the activation energy
by three-fold
,ATI TEAS 7 Practice Questions and
Answers A+ Guide
Group one in the periodic table has __________ valence
electrons and is __________reactive than Group two.
Zero; more
Zero; less
One; less
One; more - correct answer ✅✅One; less
Enzymes are created from amino acid chains. As such,
what might prevent the action of an enzyme?
A pH close to 7
A high temperature
The lack of hydrogen ions in solution
A lack of ATP in the cell - correct answer ✅✅A high
temperature
,ATI TEAS 7 Practice Questions and
Answers A+ Guide
If a scientists want to determine the rate at which an
enzyme works, what could he or she measure?
The rate at which the enzyme is degraded
The rate at which the product disappears
The rate at which the reactants disappear
The rate at which the products appears - correct
answer ✅✅The rate at which the products appears
The rate of a chemical reaction depends on all of the
following except
Surface area
Temperature
Presence of catalysts
Amount of mass lost - correct answer ✅✅Amount of
mass lost
, ATI TEAS 7 Practice Questions and
Answers A+ Guide
Which of the answer choices provided best defines the
following statement?
For a given mass and constant temperature, an inverse
relationship exists between the volume and pressure of a
gas?
Boyle's Law
Ideal Gas Law
Charles' Law
Stefan-Boltzmann Law - correct answer ✅✅Boyle's
Law
Prokaryotic and eukaryotic cells are similar in having
which of the following?
Integral membrane proteins in the plasma membrane
Presence of a nucleus
