WorksheetsMX4 Grade 9 Reviewer
Total questions: 40
Worksheet time: 35mins
A large class of chemical compounds that contain carbon.
Inorganic Compound
Organic Compound
Hydrocarbon
Organic Chemistry
A compound that contains metal and other elements.
Inorganic Compound
Organic Compound
Hydrocarbon
Organic Chemistry
Symbol C
Atomic #6
+Group 14 on the periodic table
non-metallic an tetravalent
tetravalent- having a valence of four
Hydrocarbon
Carbon
Chlorine
Compounds containing only two elements; carbon and hydrogen
Hydrocarbon
Carbonyl group
Alkyl Group
How to Characterize Hydrocarbon
-Number of molecules
-Arrangement of molecules
- Number of Carbon Atoms
-How the atoms are arranged
- carbon-carbon single bond
-Saturated hydrocarbon
-also called PARAFFINS
- ends with the suffix -ane
CnH2n+2
Alkane
Alkyne
Alkene
Aromatic
unsaturated hydrocarbons
double bond
also know as OLEFINS
ends with the suffix -ene
CnH2n
Alkane
Alkyne
Alkene
Aromatic
Unsaturated hydrocarbon
carbon-carbon triple bond
also known as Acetylenes
ends with the suffix -yne
CnHn
Alkane
Alkene
Alkyne
Aromatic
An alkane with one hydrogen being removed
when naming, replacing -ane with -yl
Isomers
Alkyl group
Hydrocarbon
Haloalkanes
Compound that is an alkane compound which one or more hydrogen atoms have been replaced by halogen atoms
also known as alkyl halides
Isomers
Alkyl group
Haloalkanes
Hydrocarbon
Used for large molecules; helps to show the atoms relation to each other without showing the bonds
Condensed Formula
Expanded Formula
Molecular formula
Skeletal Formula
It shows all bonds in the molecule
Condensed Formula
Expanded Formula
Molecular Formula
Skeletal Formula
A specific groupings of atoms within the molecule that have their own characteristics
Isomers
Structural Formula
Functional groups
Haloalkanes
Contain carbon-carbon double bond
occur abundantly in nature, and many have Important biological roles
Many fruit bearing plants produce ethene, which controls the rate at which fruits ripening
Alkanes
Alkenes
Alkynes
Aromatic
Hydrocarbons that contain a carbon-carbon triple bond.
less common compared to alkenes
Alkane
Alkene
Alkyne
Aromatic
also called arenes, compounds that have six-membered carbon ring known as the benzene ring.
Alkane
Alkyne
Alkene
Aromatic Hydrocarbons
Only one oxygen
has an O-H group
commonly used as reagent, solvent, and fuel
colorless and transparent
Ethanol- produced through fermentation and consumed by humans through alcoholic beverages
Methanol- distillation of wood
Alcohols
Ethers
Aldehydes
Ketones
carbonyl bonded to a hydrogen atom and an R group
"alcohol dehydrogenated"
Uses: Favorable odors of essential oils like cilantro and vanillin
disinfectant and preservative
Alcohol
Aldehyde
Ether
Ketones
Carbonyl group linked to two carbon atoms
smell found in cinnamon
Used in perfumes and paints
Acetone active ingredient in nail polish remover
Can be used as an industrial solvent
Alcohol
Aldehyde
Ketones
Carboxylic Acid
Linked to two other carbon atoms
commonly found in citrus fruits and any sour foods
production of polymers pharmaceuticals, solvents, and food additives
Alcohol
Aldehyde
Ketone
Carboxylic acid
Product formed in the reaction of Carboxylic acid and alcohol
sweet aroma in pineapples
having a very sweet fruity smell, most are found in fruit
widely used as artificial flavorings and fragrances
Alcohol
Aldehyde
Carboxylic Acids
Esters
contains two alkyl groups joined in one oxygen
burn and split apart when boiled in concentrated acids
useful solvents, volatile and flammable
anesthetic
refrigerant and propellant
Carboxylic Acids
Esters
Ethers
Ketones
Consists of a carbonyl group linked to a nitrogen atom
used in drugs, such as penicillin
Amines
Amides
Esters
Ethers
Latin word which means "heap" or a "huge pile"
Amount of substance containing the Avogadro's Number in any kind of chemical unit
symbol: mol
Avogadro's Number
Mole
Atomic mass
Avogadro's number:
6.03 x 10^23
6.04 x 10^23
6.02 x 10 ^23
an Italian scientist whose work led to the determination of its value
Amedeo Avogadro
Amadeo Avogadros
Amadeo Avogadro
Amedeo Avogadros
One mole of any element contains the same number of atoms of another element
True
False
used for compounds having Ionic bonding
Formula Mass
Molecular Mass
Atomic Mass
Used for compounds containing molecules and have covalent bonding
Formula Mass
Molecular Mass
Atomic mass
the functional group of alkyl halides is a carbon-halogen bond, the common halogens being fluorine, chlorine, bromine, and iodine.
Aldehyde
Arine
Alkyl Halide
Amide
It consists of a carbonyl group bonded to a nitrogen.
Aldehyde
Carboxylic acid
Amine
Amide
How many moles are in 3.01 x 1022 atoms of magnesium?
0.0500 moles
1.81 x 1046 moles
5.00 x 1021 moles
5.00 moles
How many atoms are in 1.50 moles of Hg?
9.03x1023 atoms Hg
9.03x1024 atoms Hg
903 atoms of Hg
9.03 atoms of Hg
How many atoms are in 1.50 moles of Hg?
9.03x1023 atoms Hg
9.03x1024 atoms Hg
903 atoms of Hg
9.03 atoms of Hg
Ga2(SO3)3
What is the general formula for the computation of percentage composition of the given element?
% mass of element = mass of element in the compound divided by mass of the compound times 100
% mass of element = mass of element in the compound divided by mass of the compound
% mass of element = mass of element in the compound divided by 100
% mass of element = mass of element in the compound
What is the percent by mass of magnesium in MgO?
20%
40%
50%
60%
What is the percent by mass of fluorine in CaF2 (gram-formula mass = 78 g/mol)?
24%
49%
49%
65%
What is the percent by mass of chlorine in NaCl?
39%
61%
35%
35%
