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A metallic ion has an electron configuration of 2, 8, 14 and its mass is 56 amu. The number of neutrons in the nucleus is
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The correct answer is:
30
As metal ion has an electron configuration of 2, 8, 14 so
The metallic atom (M) has a total number of electron .
Therefore, the number of protons in the nucleus = 26.
Hence, the number of neutrons .
The metallic atom (M) has a total number of electron .
Therefore, the number of protons in the nucleus = 26.
Hence, the number of neutrons .
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