Construct a Concept Map Elements 2 of 23 Constants Periodic

Construct a Concept Map: Elements 2 of 23> Constants Periodic Table atomic number (number of protons) are composed of are represented by have a atoms chemical symbols have an with little mass and a negative charge are electrons elements with mass and a positive charge are with mass and no charge are mass number (number of protons+ neutrons) with the same number of -protons, different number of neutrons are neutrons protons subatomic particles

Solution

Q no 1:-
Since we know that,
Isotopes are the elements which have same atomic no but different atomic mass. We see that here only C has two isotopes given that are Carbon-12 and Carbon-13.
Hence option (d) is correct. ie C¹² and C¹³.

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