SCIENCE
CHEMISTRY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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X2+ and Y2-have the same number of electrons as Neon atom. Identify the element X and Y.
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X = Aluminium, Y = Sulphur
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X = Magnesium, Y = Oxygen
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X = Aluminium, Y = Oxygen
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X = Magnesium, Y = Sulphur
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Explanation:
Detailed explanation-1: -The sodium ion is isoelectronic with the neon atom.
Detailed explanation-2: -The number of electrons in an element X is 15 and the number of neutrons is 16.
Detailed explanation-3: -The atomic number of an element X is 16.
Detailed explanation-4: -Neon is the tenth element with a total of 10 electrons.
There is 1 question to complete.