Chemistry Final ACS Exam Complete
Questions With 100% Correct Answers
\.Accuracy? - ANSWERS✔-Closeness of measurements to the TRUE VALUE of what
is being measured
\.Precision? - ANSWERS✔-Closeness of a SET of measurements
\.How do you calculate Percent Error? - ANSWERS✔-I experimental-accepted I
____________________ x 100
accepted value
\.Are zeros infront of non-zero digis significant? - ANSWERS✔-Nope!
ex: 0.0071 is only 2 sig figs
\.Are zeros at the end of a number and to the right of the decimal significant? -
ANSWERS✔-Yep!
ex: 9.100 is 4 sig figs
\.Addition/Subtraction in regards to sig figs? - ANSWERS✔-Round numbers to the
least number of decimal places
, \.Multiplaction/Division in regards to sig figs? - ANSWERS✔-Round answers to the
least amount of sig figs
\.# of e- equal - ANSWERS✔-the # of p+
\.Atomic Mass? - ANSWERS✔-Number of protons in the nucleus (number on the
left bottom corner of the chemical symbol)
\.Atomic Mass Number? - ANSWERS✔-Number of protons and neutrons (number
on the left upper corner of the chemical symbol)
\.Isotope? - ANSWERS✔-Atoms of the same element, but with different masses
(different number of neutrons)
\.STUDY ELECTRON CONFIGURATIONS - ANSWERS✔-STUDY ELECTRON
CONFIGURATIONS
\.Do columns or rows in the Periodic Table have similar patterns? - ANSWERS✔-
Columns (the "groups") have repeating patterns?
\.Which area of the Periodic Table has greater metallicness? - ANSWERS✔-Left and
down has greater metallicness
\.Which area of the PT has greater atomic size? - ANSWERS✔-Left and down has a
greater atomic size
Questions With 100% Correct Answers
\.Accuracy? - ANSWERS✔-Closeness of measurements to the TRUE VALUE of what
is being measured
\.Precision? - ANSWERS✔-Closeness of a SET of measurements
\.How do you calculate Percent Error? - ANSWERS✔-I experimental-accepted I
____________________ x 100
accepted value
\.Are zeros infront of non-zero digis significant? - ANSWERS✔-Nope!
ex: 0.0071 is only 2 sig figs
\.Are zeros at the end of a number and to the right of the decimal significant? -
ANSWERS✔-Yep!
ex: 9.100 is 4 sig figs
\.Addition/Subtraction in regards to sig figs? - ANSWERS✔-Round numbers to the
least number of decimal places
, \.Multiplaction/Division in regards to sig figs? - ANSWERS✔-Round answers to the
least amount of sig figs
\.# of e- equal - ANSWERS✔-the # of p+
\.Atomic Mass? - ANSWERS✔-Number of protons in the nucleus (number on the
left bottom corner of the chemical symbol)
\.Atomic Mass Number? - ANSWERS✔-Number of protons and neutrons (number
on the left upper corner of the chemical symbol)
\.Isotope? - ANSWERS✔-Atoms of the same element, but with different masses
(different number of neutrons)
\.STUDY ELECTRON CONFIGURATIONS - ANSWERS✔-STUDY ELECTRON
CONFIGURATIONS
\.Do columns or rows in the Periodic Table have similar patterns? - ANSWERS✔-
Columns (the "groups") have repeating patterns?
\.Which area of the Periodic Table has greater metallicness? - ANSWERS✔-Left and
down has greater metallicness
\.Which area of the PT has greater atomic size? - ANSWERS✔-Left and down has a
greater atomic size
