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From the following list of atoms, chosse...

From the following list of atoms, chosse the isotopes, isobars and isotones-`._(8)^(16)O,._(19)^(239)U,._(10)^(40)K,._(8)^(18)O,._(6)^(14)C,._(20)^(40)Ca,._(92)^(238)U`

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Isotopes: `(._(8)^(16)O,._(8)^(18)O),(._(19)^(39)K,._(19)^(40)K),(._(92)^(235)K,._(92)^(238)U)`
Isobars : `(._(19)^(40)K,._(20)^(40)Ca),(._(7)^(14)N,._(6)^(14)C) `
Isobars:`(._(19)^(39)K,._(20)^(40)Ca),(._(6)^(14)C,._(8)^(16)C) `
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From the following find out groups of isotopes, isobars and isotons. ._(8)^(16)O,_(19)^(39)K,._(6)^(14)C,._(92)^(239)U,._(7)^(14)N,._(20)^(40)Ca,._(92)^(238)U,._(32)^(77)Ge,._(33)^(77)As,._(8)^(18)O,._(32)^(76)Ge,._(34)^(78)Se .

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