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  • Atomic Structure (Class - IX)
  • Krypton has atomic number 36 and has 48 neutrons. What is...
Multiple choice

Krypton has atomic number 36 and has 48 neutrons. What is its mass number?

  1. 36

  2. 84

  3. 48

  4. 40

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Number of protons = Atomic number Mass number = Number of protons + Number of neutrons = 48 + 36 = 84

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