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From the Symbol Selina Solutions Icse Class 9 Chemistry Chapter - Atomic Structure and Chemical Bonding for the Element Helium, Write Down the Mass Number and the Atomic Number of the Element. - Chemistry

One Line Answer

From the symbol `""_2^4"He"`  for the element helium, write down the mass number and the atomic number of the element.

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Solution

Atomic number = 2

Mass number = 4

Concept: Atomic Number (Z)
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APPEARS IN

Selina Concise Science Chemistry 1 Class 9 ICSE
Chapter 4 Atomic Structure and Chemical Bonding
Exercise 4 (C) | Q 10 | Page 66
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