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Worksheets(2.4) Isotopes and Its Uses
Total questions: 17
Worksheet time: 24mins
Name
Class Form 4 (Letters: AF, AG, AKH, AK, IK)
Fill in the blanks.
Isotopes are _ _ _ _ s of the same element with the same number of protons but different number of neutrons.
(a)
Who discovered neutrons?
Neils Bohr
J.J. Thompson
James Chadwick
Ernest Rutherford
Fill in the blanks.
Isotopes are atoms of the same _ _ _ m _ _ _ with the same number of protons but different number of neutrons.
(a)
Element W has 12 neutrons and 11 protons.
Which symbol represents atom W?
A
B
C
D
Fill in the blanks.
Isotopes are atoms of the same element with the _ _ _ e number of protons but different number of neutrons.
(a)
Based on this table.
Which atoms are isotopes?
Atom W
Atom X
Atom Y
Atom z
Fill in the blanks.
Isotopes are atoms of the same element with the same number of protons but _ _ _ _ _ _ e _ _ number of neutrons.
(a)
Fill in the blanks.
Natural Abundance is the _ _ _ _ e _ _ _ _ _ of isotopes present in a natural sample of element.
(a)
Relative Atomic Mass (RAM) can be calculated from the natural abundance of an element containing isotopes using the following formula (Refer Image)
Fill in the blanks.
Relative Atomic Mass is the percentage _ u _ of the Natural Abundance isotopes from an element.
(a)
Fill in the blanks.
Isotopes are atoms of the same element with the same number of _ _ _ _ _ _ s but different number of neutrons.
(a)
Magnesium exists naturally as three isotopes.
Based on image shown;
Calculate the relative atomic mass of magnesium
(To two decimal places)
(a)
A patient is diagnosed with a damage in the thyroid gland.
Which isotope is used to treat the patient?
Copper-64
Cobalt-60
Carbon-14
Iodine-131
Fill in the blanks.
Isotopes are atoms of the same element with the same number of protons but different number of _ _ _ _ _ _ _ s.
(a)
Uranium-235 and Uranium-238 are isotopes.
Which statement is correct?
Uranium-235 is a non-metal and Uranium-238 is a metal
Both have the same number of neutrons
Uranium-235 is denser than Uranium-238
Both have the same number of electrons
(Participation mark is taken / Markah penyertaan dikira)
(No penalty mark / Tiada markah penalti)
Chip in your truth-est Chemistry joke/meme.
Belanja se-satu jenaka/meme Kimia yang sebenar benarnya.
Or answer below / Atau jawab dibawah
Why does Iron Man has 2 genders?
Mengapa "Iron Man" ada 2 jantina?
Clue: Refer Periodic Table
Petunjuk: Rujuk Jadual Berkala Unsur
