From the Symbolselina Solutions Icse Class 9 Chemistry Chapter - Atomic Structure and Chemical Bonding, State the Mass Number, the Atomic Number and Electronic Configuration of Magnesium. - Chemistry

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From the symbol `""_12^24"Mg"`
, state the mass number, the atomic number and electronic configuration of magnesium.

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Mass number = 24

Atomic number = 12

No. of electrons = 24 - 12 = 12

Electronic configuration = 2, 8, 2

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 6 | Page 63
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