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Structure of the Atom — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceStructure of the Atom3 Marks
Question
What information do you get from the figure given below about the atomic number, mass number and valency of atom X?

✓

Answer

  1. Atomic Number(no. of p) = 8

  2. Mass Number(no. of p + n) = 8 + 10 = 18

  3. Valency of atom = 2

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