(2.4) Isotopes and Its Uses

Name

Class Form 4 (Letters: AF, AG, AKH, AK, IK)

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Isotopes are _ _ _ _ s of the same element with the same number of protons but different number of neutrons.

Who discovered neutrons?

• Neils Bohr

• J.J. Thompson

• James Chadwick

• Ernest Rutherford

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Isotopes are atoms of the same _ _ _ m _ _ _ with the same number of protons but different number of neutrons.

Element W has 12 neutrons and 11 protons.
Which symbol represents atom W?

• A

• B

• C

• D

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Isotopes are atoms of the same element with the _ _ _ e number of protons but different number of neutrons.

Based on this table.

Which atoms are isotopes?

• Atom W

• Atom X

• Atom Y

• Atom z

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Isotopes are atoms of the same element with the same number of protons but _ _ _ _ _ _ e _ _ number of neutrons.

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Natural Abundance is the _ _ _ _ e _ _ _ _ _ of isotopes present in a natural sample of element.