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An element X is represented as 1840X (X = is not the actual symbol of the element)

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asked Jul 27, 2021 in Chemistry Form 2 by anonymous

An element X is represented as 1840X (X = is not the actual symbol of the element)

What is the composition of the nucleus for this element?
Give the electronic arrangement of the element.

atoms
structure of the atom and the periodic table

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1 Answer

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answered Jul 27, 2021 by anonymous

1. Protons 18
2. neutrons 22
X : 2,8,8

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