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1020 ACS Biochemistry Exam A+ Questions and Answers Verified Solutions Latest Update

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1020 ACS Biochemistry Exam A+ Questions and Answers Verified Solutions Latest Update

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ACS Biochemistry Exam A+ Questions
and Answers Verified Solutions Latest
Update 2026/2027

Question:
Accuracy?

Answer:
Closeness of measurements to the TRUE VALUE of what is being measured


Question:
Precision?

Answer:
Closeness of a SET of measurements


Question:
How do you calculate Percent Error?

Answer:
I experimental-accepted I ____________________ x 100 accepted value


Question:
Are zeros infront of non-zero digis significant?

Answer:
Nope! ex: 0.0071 is only 2 sig figs


Question:
Are zeros at the end of a number and to the right of the decimal significant?

, Answer:
Yep! ex: 9.100 is 4 sig figs


Question:
Addition/Subtraction in regards to sig figs?

Answer:
Round numbers to the least number of decimal places


Question:
Multiplaction/Division in regards to sig figs?

Answer:
Round answers to the least amount of sig figs


Question:
# of e- equal

Answer:
the # of p+


Question:
Atomic Mass?

Answer:
Number of protons in the nucleus (number on the left bottom corner of the chemical symbol)


Question:
Atomic Mass Number?

Answer:
Number of protons and neutrons (number on the left upper corner of the chemical symbol)

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