WorksheetsScience 9 2nd Grading Reviewer
Total questions: 18
Worksheet time: 10mins
Electrons could jump from one orbit to another which involves absorption of energy/
True
False
What is the maximum number allowed in the third energy level?
2
8
18
32
Which of the following functional group can be found in penicillin, an antibiotic?
ester
ether
amide
amine
Alkyl is called olefins and is characterized by a double bond.
True
False
Alkyne is a hydrocarbon that contains a carbon-carbon single bond.
True
False
Which of the following set of four quantum numbers is the quantum number of a Fluorine atom?
(2,1,0, -1/2)
(5,2,1, -1/2)
(4,2,2, +1/2)
(3,2, +2, +1/2)
What element which has this electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 3d5?
Silver
Aluminum
Manganese
Boron
Which of the following electron configuration is not possible for an atom?
1s2 2s2 2p5
1s2 2s2 2p6 3s1
1s2 2s2 2p6 2d5
1s2 2s2 2p6 3s2 4s2 3d1
Copper is responsible for the regulation and control of bodily fluids.
True
False
CCl4 is used for dry cleaning, degreasing metals, fumigating, manufacturing refrigerants and aerosol propellants, and is also used in fire extinguishers. What is the type of its bond and its chemical name?
ionic, carbon tetrachloride
covalent, carbon tetrachloride
ionic, carbon quadrachloride
covalent, carbon quadrachloride
Potassium reacts with Bromine. What is the correct formula for the compound formed by this reaction?
K2Br2
KBr2
KBr
KBr^2
Polar bonding is a type of chemical bonding.
True
False
Noble gases like Ne, Ar, and Kr have 6 valence electrons.
True
False
Which does NOT describe an ionic bonding?
Atoms either gain or lose electrons
It involves the transfer of electrons
It involves the sharing of electrons
It is a bond between metal and non-metal.
What is the IUPAC name of this compound?
1-pentane
1-pentene
2-pentane
2-pentene
The IUPAC name of this compound is 2-2, dimethylpentene
True
False
In solving the formula mass of a compound, you need to identify first the atomic weight of each element in the compound.
True
False
We use the percentage composition formula if it is asking for the percentage of the total mass of the compound that is due to the component.
True
False
