हिंदी

X79197X2792197Au contains ______. -

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प्रश्न

\[\ce{^197_79Au}\] contains ______.

विकल्प

  • 79 protons and 118 neutrons

  • 79 neutrons and 118 protons

  • 197 protons and 118 neutrons

  • 79 protons and 197 neutrons

MCQ
रिक्त स्थान भरें

उत्तर

\[\ce{^197_79Au}\] contains 79 protons and 118 neutrons.

Explanation:

Number of protons = Atomic number = 79

Number of neutrons = Atomic mass number - Atomic number

= 197 - 79 = 118

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