Q. 125.0( 1 Vote )

How an element is

Class 9th All In One - Science 4. Structure of the atom

Answer :

The representation of an element with is atomic and mass number is done by using the symbol of the element an writing atomic number on the sub script and mass number on super script.

Examples: Oxygen: ₈¹⁶O, Chlorine: ₁₇³⁵Cl, Lithium: ₃⁶Li, Neon: ₁₀²⁰Ne

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