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WorksheetsQ2- SUMMATIVE TEST (SCIENCE 9)
Total questions: 35
Worksheet time: 26mins
Which orbital designation has the highest energy?
3d
3p
4s
3s
Filling of orbitals in increasing energy level is known as
Aufbau Principle
Hund's rule of Multiplicity
Octet Rule
Pauli's Exclusion Principle
Which subatomic particle/s is/ are present in the nucleus of an atom based on Rutherford’s discovery of nucleus?
proton only
neutron and electron
proton and electron
proton and neutron
Which atomic model is proposed by Schrodinger?
nuclear model
Quantum mechanical model
planetary model
raisin bread model
The total number of electrons in the fourth energy level is __________.
8
50
18
32
Atoms that lose electrons form what kind of ion?
Anion
Cation
Non-metal
Metal
A cation is any group of atoms with _________.
Grounded
Positive charge
Negative charge
No charge
What is the maximum number of bonds a carbon atom can form?
one
two
three
four
This is a process that refers to the ability of carbon atom to bond with itself to form
longer chains or structures.
carbonation
catenation
covalent bonding
carbon dating
A hydrocarbon contains only the elements
carbon and hydrogen
carbon, hydrogen, and nitrogen
hydrogen and helium
carbon and oxygen
All of these are characteristics of Inorganic Compound except_____
soluble in water
conduct electrical current
low melting and boiling point
decomposition occurs at a very high temperature
What allotrope has globe-shaped, cage-like arrangements?
amorphous
graphene
fullerenes
diamond
Juan wants to protect his bicycle’s part from rusting fast. Which of the
following materials do you think Juan will use?
Lubricating oil
Vinegar
Kerosene
Isopropyl alcohol
Emmanuela cut her finger accidentally when she was cutting her nails. She
must apply something on her wound so that it will not get infected. Which
compound should she use?
Kerosene
Isoprophyl alcohol
Acetic Acid
Formalin
What is the common use of ethyne?
Fertilizer
Antibiotic
Artificial ripening agent
Disinfectant
Organic compounds are formed by _________.
Nonpolar bond
Metallic bond
Ionic bond
Covalent bond
Paula wants to preserve a fish for her project in biology class. What compound
should she use to preserve the animal?
Acetic acid
Methyl alcohol
Acetone
Formaldehyde
Marcela told her grandson; Miguel never plays with gasoline. Why do you think
she does not allow him to do it?
Because gasoline is flammable.
Because gasoline is volatile.
Because gasoline is liquid
Because gasoline is viscous.
Which compound is classified as a depressant or a “downer”?
Amphetamine
Alcohol
sleeping pills
cocaine
Salve must remove the red paint from the paintbrush so that she can use it
again next time. What organic compound should she use?
Acetic acid
Kerosene
Formaldehyde
Lubricating oil
Which type of compound results from the combination of metal and nonmetal?
Covalent compound
Organic compound
Ionic compound
Acid
Which particles may be gained, lost, or shared by an atom when it forms a chemical bond?
nucleon
electron
proton
neutron
Which compound is ionic?
CaCl2
HCl
N2O
SO2
Which of the following substances is not a covalent compound?
H2
HCl
O2
NaCl
Which one of the following is a property of ionic substances?
They are quite unreactive.
They are all liquids at room temperature.
They have high melting points and boiling points.
They are poor conductors of electricity.
All of these are properties of covalent compound EXCEPT ________
Usually occurs between 2 non-metals.
They are made of crystalline solid.
Atoms share electrons to be stable.
Many soluble in a nonpolar solvent
What is the hardest natural substance known on earth?
rock
silver
gold
diamond
The alcohol present in alcohol beverages is _________.
Ethyl alcohol
Denatured alcohol
Methyl alcohol
Wood alcohol
Marcy’s car stopped in the middle of the road. She found out that her car had
run out of fuel. Which compound must she buy?
Gasoline
water
lubricating oil
kerosene
Victor’s grandmother was cooking their supper when she suddenly stopped
and said, “oh the tank is already empty!” Then his grandmother asked him to
buy another tank. What did Victor’s grandmother ask him to buy?
water
Gasoline
Liquefied petroleum gas (LPG)
lubricating oil
Which one of the following is NOT an organic substance?
an antibiotic
salt
coal
lead in a pencil
Generally, a solution of an organic compound in water will be electrically_____.
insulated
nonconductive
highly conductive
high ionized
Pure carbon exists in the following forms, EXCEPT
diamond
fullerene
graphite
methane
Which atoms are most likely to form covalent bonds?
nonmetal atoms that share protons
nonmetal atoms that share electron
metal atoms that share protons
metal atoms that share electrons
He introduced the use of Lewis Electron Dot Structure (LEDS).
De Broglie
J. Dalton
N. Bohr
G. Lewis
