CHEMISTRY FINAL EXAM REVIEW-
LATEST 2022-2023
How many Periods in Periodic Table? - Answer-7 Horizontal Rows
How many Groups in Periodic Table? - Answer-18 Vertical Colums
What is an Intensive Property? and Examples. - Answer-Independent of sample size.
Temperature
Melting Point
What is an extensive property? - Answer-Dependent on sample size
Length
Volume
Physical Properties - Answer-Temperature
Color
Melting Point
Amount
Odor
Solubility
Conductivity
Hardness
Chemical Properties - Answer-Rusting
Hardening
Tarnishing
Combustion
Group 1A is known as? - Answer-Alkali metals
Group 2A is known as? - Answer-Alkaline earth metals
Group 7A is known as? - Answer-Halogens
Groupa 8A is known as? - Answer-Noble Gases
Metals on Periodic Table? - Answer-Left side of zigzag line except for hydrogen
Nonmetals on periodic table - Answer-Right side of zigzag line on period table plus
hydrogen
, Semimetals? - Answer-Boron
Silicon
Germanium
Arsenic
Antimony
Tellurium
SI Base Units (7) - Answer-Mass: KG
Length: M
Temperature: Kelvin
Amount of Substance: Mole
Time: Second
Electric Current: ampere
Luminous intensity: Candela
Prexifes for SI Units - 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 - Answer-9/5 Celsius + 32
Accuracy Vs Precision - 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 - 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
Always take lowest sig figs
Q1Q1: Which of the following is a chemical change?
LATEST 2022-2023
How many Periods in Periodic Table? - Answer-7 Horizontal Rows
How many Groups in Periodic Table? - Answer-18 Vertical Colums
What is an Intensive Property? and Examples. - Answer-Independent of sample size.
Temperature
Melting Point
What is an extensive property? - Answer-Dependent on sample size
Length
Volume
Physical Properties - Answer-Temperature
Color
Melting Point
Amount
Odor
Solubility
Conductivity
Hardness
Chemical Properties - Answer-Rusting
Hardening
Tarnishing
Combustion
Group 1A is known as? - Answer-Alkali metals
Group 2A is known as? - Answer-Alkaline earth metals
Group 7A is known as? - Answer-Halogens
Groupa 8A is known as? - Answer-Noble Gases
Metals on Periodic Table? - Answer-Left side of zigzag line except for hydrogen
Nonmetals on periodic table - Answer-Right side of zigzag line on period table plus
hydrogen
, Semimetals? - Answer-Boron
Silicon
Germanium
Arsenic
Antimony
Tellurium
SI Base Units (7) - Answer-Mass: KG
Length: M
Temperature: Kelvin
Amount of Substance: Mole
Time: Second
Electric Current: ampere
Luminous intensity: Candela
Prexifes for SI Units - 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 - Answer-9/5 Celsius + 32
Accuracy Vs Precision - 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 - 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
Always take lowest sig figs
Q1Q1: Which of the following is a chemical change?
