CHEMISTRY 114
FINAL EXAM REVIEW 2026
QUESTIONS WITH DETAILED ANSWERS
Periods of Elements - ANSWER-horizontal rows of elements (7 of them)
groups/ families of elements - ANSWER-vertical columns of elements
representative elements - ANSWER-elements in group 1A-8A
transition metals - ANSWER-elements in group 3B-2B
inner transition metals - ANSWER-Ce-Lu
Th-Lr
Alkali metals - ANSWER-all metals in group 1A except H
Alkaline Earth Metals - ANSWER-elements in group 2A
Halogens - ANSWER-Elements in group 7A(Fe-At)
Noble Gases - ANSWER-Elements in group 8A (He-Rn)
Least react to elements
Very stable
Chemistry - ANSWER-a branch of science which deals with the study of MATTER and its
CHANGES
Matter - ANSWER-anything which has mass and volume
volume - ANSWER-space occupied by matter
L*W*H
Homogenous Mixtures - ANSWER-Mixtures whose constituents cannot be distinguished by the
naked eye
ex:) Air, Gasoline, Steel, Brine(water solution of table salt)
Heterogenous mixtures - ANSWER-Constituents can be distinguished by the naked eye
Ex:) Sulfer and Sand
, Metals - ANSWER-shiny solids (Mercury is a liquid) malleable and ductile. good conductors of
heat and electricity
Non-Metals - ANSWER-Generally gases, when solid brittle. Poor conductors of electricity. Ex:)
C, S, O, H
Metalloids - ANSWER-brittle solids, electricity conducting capacity is in between metals and
non-metals Ex:) Si (Semi-conductors)
Scientific form - ANSWER-one non-zero number on the left of the decimal place
Ex:) 1.5 X10^3
Conversion of decimal form to scientific form - ANSWER-10^0=1
Decimal to left - ANSWER-Positive or addition
Decimal to right - ANSWER-negative or subtraction
Accuracy - ANSWER-How close it is to the true value
Precision - ANSWER-how close results are to one another
Zeros in between non-zero digits are always significant - ANSWER-407=3 sig figs.
1.004 = 4 sig figs
initial zeros are insignificant - ANSWER-0.0004 = 1 sig fig
0.0104 = 3 sig fig
terminal zeros in a number with a decimal point are significant - ANSWER-0.0140010 = 6 sig
figs
Terminal zeros in a number without a decimal point may or may not be significant - ANSWER-
1200. = 4 sig figs
1200 = 3 sig figs
Mega (M) - ANSWER-10^6 or 1 million
Kilo (k) - ANSWER-10^3 or 1 thousand
deci (d) - ANSWER-10^-1 or 0.1
centi (c) - ANSWER-10^-2 or 0.01
milli (m) - ANSWER-10^-3 or 0.001
micro (funky m) - ANSWER-10^-6 or 1 millionth
nano (n) - ANSWER-10^-9 or 1 billionth
FINAL EXAM REVIEW 2026
QUESTIONS WITH DETAILED ANSWERS
Periods of Elements - ANSWER-horizontal rows of elements (7 of them)
groups/ families of elements - ANSWER-vertical columns of elements
representative elements - ANSWER-elements in group 1A-8A
transition metals - ANSWER-elements in group 3B-2B
inner transition metals - ANSWER-Ce-Lu
Th-Lr
Alkali metals - ANSWER-all metals in group 1A except H
Alkaline Earth Metals - ANSWER-elements in group 2A
Halogens - ANSWER-Elements in group 7A(Fe-At)
Noble Gases - ANSWER-Elements in group 8A (He-Rn)
Least react to elements
Very stable
Chemistry - ANSWER-a branch of science which deals with the study of MATTER and its
CHANGES
Matter - ANSWER-anything which has mass and volume
volume - ANSWER-space occupied by matter
L*W*H
Homogenous Mixtures - ANSWER-Mixtures whose constituents cannot be distinguished by the
naked eye
ex:) Air, Gasoline, Steel, Brine(water solution of table salt)
Heterogenous mixtures - ANSWER-Constituents can be distinguished by the naked eye
Ex:) Sulfer and Sand
, Metals - ANSWER-shiny solids (Mercury is a liquid) malleable and ductile. good conductors of
heat and electricity
Non-Metals - ANSWER-Generally gases, when solid brittle. Poor conductors of electricity. Ex:)
C, S, O, H
Metalloids - ANSWER-brittle solids, electricity conducting capacity is in between metals and
non-metals Ex:) Si (Semi-conductors)
Scientific form - ANSWER-one non-zero number on the left of the decimal place
Ex:) 1.5 X10^3
Conversion of decimal form to scientific form - ANSWER-10^0=1
Decimal to left - ANSWER-Positive or addition
Decimal to right - ANSWER-negative or subtraction
Accuracy - ANSWER-How close it is to the true value
Precision - ANSWER-how close results are to one another
Zeros in between non-zero digits are always significant - ANSWER-407=3 sig figs.
1.004 = 4 sig figs
initial zeros are insignificant - ANSWER-0.0004 = 1 sig fig
0.0104 = 3 sig fig
terminal zeros in a number with a decimal point are significant - ANSWER-0.0140010 = 6 sig
figs
Terminal zeros in a number without a decimal point may or may not be significant - ANSWER-
1200. = 4 sig figs
1200 = 3 sig figs
Mega (M) - ANSWER-10^6 or 1 million
Kilo (k) - ANSWER-10^3 or 1 thousand
deci (d) - ANSWER-10^-1 or 0.1
centi (c) - ANSWER-10^-2 or 0.01
milli (m) - ANSWER-10^-3 or 0.001
micro (funky m) - ANSWER-10^-6 or 1 millionth
nano (n) - ANSWER-10^-9 or 1 billionth
