^Isotones

^Isotones

Are the atoms:

having same: nn

But different: A, Z, ne, np NN

Examples:  1. 1H2 & 2He3              2. 1H3 & 2He4

3. 3Li7 & 4Be8            4. 17Cl37 & 19K39

Symbols used: ne = Number of electrons

np = Number of protons

nn = Number of neutrons

NN = Number of nucleons

A = Mass Number

Z = Atomic Number

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