Chemistry Final Exam Review Questions
and Answers
How many Periods in Periodic Table? - correct answer-7 Horizontal Rows
How many Groups in Periodic Table? - correct answer-18 Vertical Colums
What is an Intensive Property? and Examples. - correct answer-Independent of sample
size.
Temperature
Melting Point
What is an extensive property? - correct answer-Dependent on sample size
Length
Volume
Physical Properties - correct answer-Temperature
Color
Melting Point
Amount
Odor
Solubility
Conductivity
Hardness
Chemical Properties - correct answer-Rusting
Hardening
Tarnishing
Combustion
Group 1A is known as? - correct answer-Alkali metals
Group 2A is known as? - correct answer-Alkaline earth metals
Group 7A is known as? - correct answer-Halogens
Groupa 8A is known as? - correct answer-Noble Gases
Metals on Periodic Table? - correct answer-Left side of zigzag line except for hydrogen
, Nonmetals on periodic table - correct answer-Right side of zigzag line on period table
plus hydrogen
Semimetals? - correct answer-Boron
Silicon
Germanium
Arsenic
Antimony
Tellurium
SI Base Units (7) - correct answer-Mass: KG
Length: M
Temperature: Kelvin
Amount of Substance: Mole
Time: Second
Electric Current: ampere
Luminous intensity: Candela
Prexifes for SI Units - correct answer-Tera: 10¹²
Giga: 10⁹
Mega: 10⁶
Kilo: 10³
Hecto: 10²
Deka: 10¹
Deci 10⁻¹
Centi:10⁻²
Milli:10⁻³
Micro:10⁻⁶
Nano:10⁻⁹
Pico:10⁻¹²
Fahrenheit Formula - correct answer-9/5 Celsius + 32
Accuracy Vs Precision - correct answer-Accuracy: How close to the true value a given
measurement is
Precision: How well a number of independent measurements agree with each other
Sig Fig Rules - correct answer-Zeros at the beginning of a number are not significant
(place holders)
Zeros at the end of a number and after the decimal point are always significant
55.220 has 5 sig figs
and Answers
How many Periods in Periodic Table? - correct answer-7 Horizontal Rows
How many Groups in Periodic Table? - correct answer-18 Vertical Colums
What is an Intensive Property? and Examples. - correct answer-Independent of sample
size.
Temperature
Melting Point
What is an extensive property? - correct answer-Dependent on sample size
Length
Volume
Physical Properties - correct answer-Temperature
Color
Melting Point
Amount
Odor
Solubility
Conductivity
Hardness
Chemical Properties - correct answer-Rusting
Hardening
Tarnishing
Combustion
Group 1A is known as? - correct answer-Alkali metals
Group 2A is known as? - correct answer-Alkaline earth metals
Group 7A is known as? - correct answer-Halogens
Groupa 8A is known as? - correct answer-Noble Gases
Metals on Periodic Table? - correct answer-Left side of zigzag line except for hydrogen
, Nonmetals on periodic table - correct answer-Right side of zigzag line on period table
plus hydrogen
Semimetals? - correct answer-Boron
Silicon
Germanium
Arsenic
Antimony
Tellurium
SI Base Units (7) - correct answer-Mass: KG
Length: M
Temperature: Kelvin
Amount of Substance: Mole
Time: Second
Electric Current: ampere
Luminous intensity: Candela
Prexifes for SI Units - correct answer-Tera: 10¹²
Giga: 10⁹
Mega: 10⁶
Kilo: 10³
Hecto: 10²
Deka: 10¹
Deci 10⁻¹
Centi:10⁻²
Milli:10⁻³
Micro:10⁻⁶
Nano:10⁻⁹
Pico:10⁻¹²
Fahrenheit Formula - correct answer-9/5 Celsius + 32
Accuracy Vs Precision - correct answer-Accuracy: How close to the true value a given
measurement is
Precision: How well a number of independent measurements agree with each other
Sig Fig Rules - correct answer-Zeros at the beginning of a number are not significant
(place holders)
Zeros at the end of a number and after the decimal point are always significant
55.220 has 5 sig figs
