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11-12-2022
Chemistry

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4. Using nuclide notation, an atom of sodium can be written as 23 Na
11

(a)A nitrogen atom with 8 neutrons: 15
(b)An atom, atomic number 12, with 13 neutrons:
(c)An atom with 20 protons and 20 neutrons:
(d)An atom of lithium, mass number

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