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The mass number of an atom is 31. The M ...

The mass number of an atom is 31. The M shell of this atom contains 5 electrons.
What is the atomic number of this atom?

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  5. The mass number of an atom is 31. The M shell of this atom contains 5 ...

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  9. Symbols (not real symbols) of some atoms are given. 8^17P , 18^4...

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  10. Symbols (not real symbols) of some atoms are given. 8^17P , 18^4...

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  11. Write the atomic number of an atom is 18 and mass number is 40 Find...

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  13. Write the atomic number of an atom is 18 and mass number is 40 Draw...

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  14. The 3rd shell ie. M shell of an atom contains 3 electrons. The mass nu...

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  15. The 3rd shell ie. M shell of an atom contains 3 electrons. The mass nu...

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  16. The 3rd shell ie. M shell of an atom contains 3 electrons. The mass nu...

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  17. The 3rd shell ie. M shell of an atom contains 3 electrons. The mass nu...

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  18. Write the uses of Carbon -14

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