Question

Definition of isotopes isobars isotones with examples

Answer 1

Example is. Isotones are elements having the same number of neutrons but different number of protons. Examples of isotonesare Chlorine - 37 and Potassium - 39. Both have 20 neutrons in their nuclei but different proton number.

Answer 2

Answer:

✡Isotopes✡

Isotopes are the atoms of the same element having same atomic number but different mass number.

example

³⁵Cl { Chlorine }

¹⁷

✡Isobars✡

Isobars are the atoms of different elements having different atomic number but the same mass number.

example

⁴⁰Ar { Argon } and ⁴⁰Ca { Calcium }

¹⁸ ²⁰

✡Isotones✡

Isotones are the atoms of different elements having same number of neutrons.

example

¹³C { Carbon } and ¹⁴N { Nitrogen }

⁶ ⁷

Explanation:

✡more to know✡

(Mass number)

⬇

¹

X ⬅ symbol of element

¹

⬆

(Atomic number)

example-

¹¹B

⁵

here,

B is symbol of element

11 is mass number

5 is atomic number

✡What is atomic number??✡

The number of unit positive charge carried by the nucleus of an atom is termed as atomic number.

✡what is mass number??✡

The sum of the neutrons and protons is called mass number.

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