An element with mass no. 31.7 more neutrons as compaired to protons. Assign the atomic symbol.
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Let the number of protons in the element be x. ∴ Number of neutrons in the element
= x + 31.7% of x
= x + 0.317 x
= 1.317 x
According to the question,
Mass number of the element = 81
∴ (Number of protons + number of neutrons) = 81
The atomic symbol of the element is
81_35BR
Answered by
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Answer:
Explanation:
Let the number of protons in the element be x. ∴ Number of neutrons in the element
= x + 31.7% of x
= x + 0.317 x
= 1.317 x
According to the question,
Mass number of the element = 81
∴ (Number of protons + number of neutrons) = 81
The atomic symbol of the element is
81_35BR
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