ACS Biochemistry Exam 2027 Questions and Answers | Verified
| A+
Question 1.
Accuracy?
Correct Answer: Closeness of measurements to the TRUE VALUE of what is
being measured
Question 2.
Precision?
Correct Answer: Closeness of a SET of measurements
Question 3.
How do you calculate Percent Error?
Correct Answer: I experimental-accepted I ____________________ x 100 accepted
value
Question 4.
Are zeros infront of non-zero digis significant?
Correct Answer: Nope! ex: 0.0071 is only 2 sig figs
Question 5.
Are zeros at the end of a number and to the right of the decimal significant?
Correct Answer: Yep! ex: 9.100 is 4 sig figs
Question 6.
Addition/Subtraction in regards to sig figs?
Correct Answer: Round numbers to the least number of decimal places
Question 7.
Multiplaction/Division in regards to sig figs?
Correct Answer: Round answers to the least amount of sig figs
Question 8.
# of e- equal
Correct Answer: the # of p+
, Question 9.
Atomic Mass?
Correct Answer: Number of protons in the nucleus (number on the left bottom
corner of the chemical symbol)
Question 10.
Atomic Mass Number?
Correct Answer: Number of protons and neutrons (number on the left upper
corner of the chemical symbol)
Question 11.
Isotope?
Correct Answer: Atoms of the same element, but with different masses
(different number of neutrons)
• STUDY ELECTRON CONFIGURATIONS -✓✓STUDY ELECTRON CONFIGURATIONS
Question 12.
Do columns or rows in the Periodic Table have similar patterns?
Correct Answer: Columns (the "groups") have repeating patterns?
Question 13.
Which area of the Periodic Table has greater metallicness?
Correct Answer: Left and down has greater metallicness
Question 14.
Which area of the PT has greater atomic size?
Correct Answer: Left and down has a greater atomic size
Question 15.
Which area of the PT has greater ionization energy?
Correct Answer: Right side and up has greater ionization energy
Question 16.
Which area of the PT has greater electronegativity?
Correct Answer: Right side and up has greater electronegativiy, except the
Noble Gases of 0 electronegativy
| A+
Question 1.
Accuracy?
Correct Answer: Closeness of measurements to the TRUE VALUE of what is
being measured
Question 2.
Precision?
Correct Answer: Closeness of a SET of measurements
Question 3.
How do you calculate Percent Error?
Correct Answer: I experimental-accepted I ____________________ x 100 accepted
value
Question 4.
Are zeros infront of non-zero digis significant?
Correct Answer: Nope! ex: 0.0071 is only 2 sig figs
Question 5.
Are zeros at the end of a number and to the right of the decimal significant?
Correct Answer: Yep! ex: 9.100 is 4 sig figs
Question 6.
Addition/Subtraction in regards to sig figs?
Correct Answer: Round numbers to the least number of decimal places
Question 7.
Multiplaction/Division in regards to sig figs?
Correct Answer: Round answers to the least amount of sig figs
Question 8.
# of e- equal
Correct Answer: the # of p+
, Question 9.
Atomic Mass?
Correct Answer: Number of protons in the nucleus (number on the left bottom
corner of the chemical symbol)
Question 10.
Atomic Mass Number?
Correct Answer: Number of protons and neutrons (number on the left upper
corner of the chemical symbol)
Question 11.
Isotope?
Correct Answer: Atoms of the same element, but with different masses
(different number of neutrons)
• STUDY ELECTRON CONFIGURATIONS -✓✓STUDY ELECTRON CONFIGURATIONS
Question 12.
Do columns or rows in the Periodic Table have similar patterns?
Correct Answer: Columns (the "groups") have repeating patterns?
Question 13.
Which area of the Periodic Table has greater metallicness?
Correct Answer: Left and down has greater metallicness
Question 14.
Which area of the PT has greater atomic size?
Correct Answer: Left and down has a greater atomic size
Question 15.
Which area of the PT has greater ionization energy?
Correct Answer: Right side and up has greater ionization energy
Question 16.
Which area of the PT has greater electronegativity?
Correct Answer: Right side and up has greater electronegativiy, except the
Noble Gases of 0 electronegativy
