Chemistry Final ACS Exam with correct answers
Accuracy? - **🔰 VERIFIED ANSWERS🔰 ✔✔Closeness of measurements to the TRUE
VALUE of what is being measured
Precision? - **🔰 VERIFIED ANSWERS🔰 ✔✔Closeness of a SET of measurements
How do you calculate Percent Error? - **🔰 VERIFIED ANSWERS🔰 ✔✔I experimental-
accepted I
____________________ x 100
accepted value
Are zeros infront of non-zero digis significant? - **🔰 VERIFIED 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? - **🔰
VERIFIED ANSWERS🔰 ✔✔Yep!
ex: 9.100 is 4 sig figs
Addition/Subtraction in regards to sig figs? - **🔰 VERIFIED ANSWERS🔰 ✔✔Round
numbers to the least number of decimal places
Multiplaction/Division in regards to sig figs? - **🔰 VERIFIED ANSWERS🔰 ✔✔Round
answers to the least amount of sig figs
# of e- equal - **🔰 VERIFIED ANSWERS🔰 ✔✔the # of p+
, Atomic Mass? - **🔰 VERIFIED ANSWERS🔰 ✔✔Number of protons in the nucleus
(number on the left bottom corner of the chemical symbol)
Atomic Mass Number? - **🔰 VERIFIED ANSWERS🔰 ✔✔Number of protons and
neutrons (number on the left upper corner of the chemical symbol)
Isotope? - **🔰 VERIFIED ANSWERS🔰 ✔✔Atoms of the same element, but with different
masses (different number of neutrons)
STUDY ELECTRON CONFIGURATIONS - **🔰 VERIFIED ANSWERS🔰 ✔✔STUDY
ELECTRON CONFIGURATIONS
Do columns or rows in the Periodic Table have similar patterns? - **🔰 VERIFIED
ANSWERS🔰 ✔✔Columns (the "groups") have repeating patterns?
Which area of the Periodic Table has greater metallicness? - **🔰 VERIFIED ANSWERS🔰
✔✔Left and down has greater metallicness
Which area of the PT has greater atomic size? - **🔰 VERIFIED ANSWERS🔰 ✔✔Left and
down has a greater atomic size
Which area of the PT has greater ionization energy? - **🔰 VERIFIED ANSWERS🔰
✔✔Right side and up has greater ionization energy
Which area of the PT has greater electronegativity? - **🔰 VERIFIED ANSWERS🔰
✔✔Right side and up has greater electronegativiy, except the Noble Gases of 0
electronegativy
Ionic Bonding? - **🔰 VERIFIED ANSWERS🔰 ✔✔Metal and a nonmetal. Give/take
electrons
Accuracy? - **🔰 VERIFIED ANSWERS🔰 ✔✔Closeness of measurements to the TRUE
VALUE of what is being measured
Precision? - **🔰 VERIFIED ANSWERS🔰 ✔✔Closeness of a SET of measurements
How do you calculate Percent Error? - **🔰 VERIFIED ANSWERS🔰 ✔✔I experimental-
accepted I
____________________ x 100
accepted value
Are zeros infront of non-zero digis significant? - **🔰 VERIFIED 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? - **🔰
VERIFIED ANSWERS🔰 ✔✔Yep!
ex: 9.100 is 4 sig figs
Addition/Subtraction in regards to sig figs? - **🔰 VERIFIED ANSWERS🔰 ✔✔Round
numbers to the least number of decimal places
Multiplaction/Division in regards to sig figs? - **🔰 VERIFIED ANSWERS🔰 ✔✔Round
answers to the least amount of sig figs
# of e- equal - **🔰 VERIFIED ANSWERS🔰 ✔✔the # of p+
, Atomic Mass? - **🔰 VERIFIED ANSWERS🔰 ✔✔Number of protons in the nucleus
(number on the left bottom corner of the chemical symbol)
Atomic Mass Number? - **🔰 VERIFIED ANSWERS🔰 ✔✔Number of protons and
neutrons (number on the left upper corner of the chemical symbol)
Isotope? - **🔰 VERIFIED ANSWERS🔰 ✔✔Atoms of the same element, but with different
masses (different number of neutrons)
STUDY ELECTRON CONFIGURATIONS - **🔰 VERIFIED ANSWERS🔰 ✔✔STUDY
ELECTRON CONFIGURATIONS
Do columns or rows in the Periodic Table have similar patterns? - **🔰 VERIFIED
ANSWERS🔰 ✔✔Columns (the "groups") have repeating patterns?
Which area of the Periodic Table has greater metallicness? - **🔰 VERIFIED ANSWERS🔰
✔✔Left and down has greater metallicness
Which area of the PT has greater atomic size? - **🔰 VERIFIED ANSWERS🔰 ✔✔Left and
down has a greater atomic size
Which area of the PT has greater ionization energy? - **🔰 VERIFIED ANSWERS🔰
✔✔Right side and up has greater ionization energy
Which area of the PT has greater electronegativity? - **🔰 VERIFIED ANSWERS🔰
✔✔Right side and up has greater electronegativiy, except the Noble Gases of 0
electronegativy
Ionic Bonding? - **🔰 VERIFIED ANSWERS🔰 ✔✔Metal and a nonmetal. Give/take
electrons
