STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS
Accuracy? - (ANSWER)Closeness of measurements to the TRUE VALUE of what is being measured
Precision? - (ANSWER)Closeness of a SET of measurements
How do you calculate Percent Error? - (ANSWER)I experimental-accepted I
____________________ x 100
accepted value
Are zeros infront of non-zero digis significant? - (ANSWER)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? - (ANSWER)Yep!
ex: 9.100 is 4 sig figs
Addition/Subtraction in regards to sig figs? - (ANSWER)Round numbers to the least number of decimal
places
Multiplaction/Division in regards to sig figs? - (ANSWER)Round answers to the least amount of sig figs
# of e- equal - (ANSWER)the # of p+
Atomic Mass? - (ANSWER)Number of protons in the nucleus (number on the left bottom corner of the
chemical symbol)
Atomic Mass Number? - (ANSWER)Number of protons and neutrons (number on the left upper corner of
the chemical symbol)
Isotope? - (ANSWER)Atoms of the same element, but with different masses (different number of
neutrons)
, STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS
STUDY ELECTRON CONFIGURATIONS - (ANSWER)STUDY ELECTRON CONFIGURATIONS
Do columns or rows in the Periodic Table have similar patterns? - (ANSWER)Columns (the "groups")
have repeating patterns?
Which area of the Periodic Table has greater metallicness? - (ANSWER)Left and down has greater
metallicness
Which area of the PT has greater atomic size? - (ANSWER)Left and down has a greater atomic size
Which area of the PT has greater ionization energy? - (ANSWER)Right side and up has greater ionization
energy
Which area of the PT has greater electronegativity? - (ANSWER)Right side and up has greater
electronegativiy, except the Noble Gases of 0 electronegativy
Ionic Bonding? - (ANSWER)Metal and a nonmetal. Give/take electrons
Covalent bonding? - (ANSWER)Nonmetal and a nonmetal. Share electrons.
VSEPR Theory? - (ANSWER)Valence Shell Electron Pair Repulsion
aka Valence e- pairs stay as far apart as possible
How do you determine polarity? - (ANSWER)Use the chart that has electronegativity values, then
subtract the elements in the compound from each other.
Is water polar? - (ANSWER)Yes!
Accuracy? - (ANSWER)Closeness of measurements to the TRUE VALUE of what is being measured
Precision? - (ANSWER)Closeness of a SET of measurements
How do you calculate Percent Error? - (ANSWER)I experimental-accepted I
____________________ x 100
accepted value
Are zeros infront of non-zero digis significant? - (ANSWER)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? - (ANSWER)Yep!
ex: 9.100 is 4 sig figs
Addition/Subtraction in regards to sig figs? - (ANSWER)Round numbers to the least number of decimal
places
Multiplaction/Division in regards to sig figs? - (ANSWER)Round answers to the least amount of sig figs
# of e- equal - (ANSWER)the # of p+
Atomic Mass? - (ANSWER)Number of protons in the nucleus (number on the left bottom corner of the
chemical symbol)
Atomic Mass Number? - (ANSWER)Number of protons and neutrons (number on the left upper corner of
the chemical symbol)
Isotope? - (ANSWER)Atoms of the same element, but with different masses (different number of
neutrons)
, STRAIGHTERLINE CHEMISTRY FINAL EXAM TEST WITH COMPLETE SOLUTIONS
STUDY ELECTRON CONFIGURATIONS - (ANSWER)STUDY ELECTRON CONFIGURATIONS
Do columns or rows in the Periodic Table have similar patterns? - (ANSWER)Columns (the "groups")
have repeating patterns?
Which area of the Periodic Table has greater metallicness? - (ANSWER)Left and down has greater
metallicness
Which area of the PT has greater atomic size? - (ANSWER)Left and down has a greater atomic size
Which area of the PT has greater ionization energy? - (ANSWER)Right side and up has greater ionization
energy
Which area of the PT has greater electronegativity? - (ANSWER)Right side and up has greater
electronegativiy, except the Noble Gases of 0 electronegativy
Ionic Bonding? - (ANSWER)Metal and a nonmetal. Give/take electrons
Covalent bonding? - (ANSWER)Nonmetal and a nonmetal. Share electrons.
VSEPR Theory? - (ANSWER)Valence Shell Electron Pair Repulsion
aka Valence e- pairs stay as far apart as possible
How do you determine polarity? - (ANSWER)Use the chart that has electronegativity values, then
subtract the elements in the compound from each other.
Is water polar? - (ANSWER)Yes!
