Question

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Calculate number of neutrons present in 12 x 1025 atoms of oxygen (2017)
(Given: Na =6 x 1023)​

Answer 1

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Calculate number of neutrons present in 12 x 1025 atoms of oxygen

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$atoms \: of \: oxygen \: = 12 \times {10}^{25} \: \: atoms \: = 9 \: neutrons.$

Answer 2

Answer:

108×10²⁵ neutrons

Explanation:

We know that the atomic number is equal to the number of protons =>Number of neutrons.

=>17 - 8 =9 neutrons.

To calculate the total number of neutrons in 12×10²⁵ atom of oxygen =108×10²⁵ neutrons