ACTUAL EXAM STUDY GUIDE.
GRADED A+. WITH QUESTIONS
AND 100% VERIFIED
ANSWERS. LATEST UPDATE
Accuracy? - Ans✔✔-Closeness of measurements to the TRUE VALUE of what is
being measured
Precision? - Ans✔✔-Closeness of a SET of measurements
How do you calculate Percent Error? - Ans✔✔-I experimental-accepted I
____________________ x 100
accepted value
Are zeros infront of non-zero digis significant? - Ans✔✔-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? -
Ans✔✔-Yep!
ex: 9.100 is 4 sig figs
, Addition/Subtraction in regards to sig figs? - Ans✔✔-Round numbers to the
least number of decimal places
Multiplaction/Division in regards to sig figs? - Ans✔✔-Round answers to the
least amount of sig figs
# of e- equal - Ans✔✔-the # of p+
Atomic Mass? - Ans✔✔-Number of protons in the nucleus (number on the left
bottom corner of the chemical symbol)
Atomic Mass Number? - Ans✔✔-Number of protons and neutrons (number on
the left upper corner of the chemical symbol)
Isotope? - Ans✔✔-Atoms of the same element, but with different masses
(different number of neutrons)
STUDY ELECTRON CONFIGURATIONS - Ans✔✔-STUDY ELECTRON
CONFIGURATIONS
Do columns or rows in the Periodic Table have similar patterns? - Ans✔✔-
Columns (the "groups") have repeating patterns?
Which area of the Periodic Table has greater metallicness? - Ans✔✔-Left and
down has greater metallicness