3. Which shows the correct order in the
following atomic orbitals?
A. f orbital, d orbital, p orbital, s orbital
B. p orbital, f orbital, s orbital, d orbital
C. s orbital, d orbital, f orbital, p orbital
D. s orbital, p orbital, d orbital f orbital
4. Which is the correct
valence electron of element
found in group 2 of the
Periodic Table?
A. 3p1 B. 4s2
C. 3p5 D. 3s2 5p6
5. Based on Rutherford’s atomic model,
which sub-atomic particle is present
in the nucleus of an atom?
A. Proton only
B. Proton and Neutron
C. Neutron and Electron
D. Proton and Electron
6. Which of the following refers to the
complete transfer of electron from one
atom to another?
A. Ionic Bonding
B. Chemical bonding
C. Covalent Bonding
D. All of the above
7. Which of the following refers to
the sharing of electrons of an
atom?
A. Ionic Bonding
B. Chemical bonding
C. Covalent Bonding
D. All of the above
8. Which type of elements tends to lose
electron/s during ionic bonding?
A. metals
B. non- metal
C. metalloid
D. super alloy
9. Which of the following pair of elements
will result in nonpolar covalent
compound?
A. Aluminum and Chlorine
B. Sulfur and Oxygen
C. Phosphorous and Hydrogen
D. Sodium and Chlorine
10. What is the correct chemical
formula for the ionic compound
containing Calcium ion and
Chlorine ion?
A. CaCl B. Ca2Cl
C. CaCl3 D. CaCl2
11. Which type of elements tend to
gain electron/s during ionic
bonding?
A. metals
B. non- metal
C. metalloid
D. super alloy
12. What do you call the ion which
carry positive charge in its
atom?
A. Anions
B. Polyatomic ions
C. Cations
D. Polymers ion
13. An element is found in Family II
and Period III of the Periodic
Table of elements. What is its
valence electron?
A. 1 C. 2
B. 3 D. 5
14. How will you write the ion of
Bromine that gains 1 electron
during the process of chemical
bonding?
A. B+1 C. B-1
B. Br+1 D. Br-1
15. Why do atoms tend to lose or gain
electrons during chemical bonding?
A. to attain beauty
B. to attain stability
C. to become reactive
D. to attain malleability
16. When a Sodium (Na) and Chlorine (Cl)
atom bond together to form an ionic
compound they become ions, what type
of ion is formed by the metal atom?
A.Negative Ions C. Positive Ions
B. Neutral Ions D. Reactive Ions
17. Which of the following
components makes the carbon
atom a unique one?
A. valence electron
B. strength
C. bond
D. all of the above
18. Mary’s car halted at the center of the street.
She found out that her car has run out of
fuel. Which compound must she purchase?
A. Acetone
B. Gasoline
C. Isopropyl
D. Water
19. Which of the given compound
is inorganic?
A. CH3OH
B. CaO
C. C8H18
D. C18H36O2
20. Which of the following statement best describes organic
compound?
A. Organic compounds are composed mainly of
carbon and hydrogen.
B. Organic compounds are compounds that contain
carbon atoms only.
C. Organic compounds are compounds that are
produced by living things.
D.Organic compounds are compounds that contain
carbon and oxygen only.
21. Which of the following pairs of organic
compounds is highly flammable?
A. gasoline, acetone
B. water, ethyl alcohol
C. lubricating oil, isopropyl alcohol
D. liquefied petroleum gas, kerosene
22. Christian is applying something to the ball
bearings of the wheels of his bicycle so that
friction will be minimized. Which of the
following material do you think he is using?
A. vinegar
B. kerosene
C. isopropyl alcohol
D. lubricating oil
