Question

18Ar40 and 20Ca40 are considered as _____________.
a) Isotopes
b) Isomers
c) Isobars
d) Isotones

Answer 1

Heya!
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◾18 Ar 40 and 20 Ca 40 are considered as ........................

⭐Isotopes

⭐Isomers

⭐Isobars

⭐Isotones

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↪Correct Answer is Option ( C ) Isobars .

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◾What are Isobars:

↪These are the Atoms of Different elements that have the Same Mass Number but a different Atomic Number. As here , Argon and Calcium both have same Mass Number [ 40 ] but a different Atomic Number [ 18 and 20 ] .


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Answer 2

Friend ,isobars is the correct answer
Hope it helps u