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The Atomic Number and Mass Number of Sodium Are 11 and 23 Respectively. What Information is Conveyed by this Statement? - Chemistry

One Line Answer

The atomic number and mass number of sodium are 11 and 23 respectively. What information is conveyed by this statement?

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Solution

Atomic number (11) of sodium conveys information that the number of protons and electrons is the same.

Mass number (23) of sodium indicates the sum of protons and neutrons.

Concept: Atomic Number (Z)
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Selina Concise Science Chemistry 1 Class 9 ICSE
Chapter 4 Atomic Structure and Chemical Bonding
Exercise 4 (B) | Q 4 | Page 63
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