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Question.1. Define atomic number. How it …

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Question.1. Define atomic number. How it is denoted ?

Posted by Jaya Chaudhary 3 years, 8 months ago

CBSE > Class 09 > Science

1 answers

Student 10Th 3 years, 8 months ago

The atomic number or proton number (symbol Z) of a chemical element is the number of protons found in the nucleus of every atom of that element. The atomic number uniquely identifies a chemical element. ... The sum of the atomic number Z and the number of neutrons N gives the mass number A of an atom.

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