Chemistry
The atom of an element A has 6 electrons in its M shell.
(a) Write the electronic configuration of element A.
(b) What is the atomic number of element A?
(c) Is it a metal or a non-metal?
(d) What type of ion will be formed by an atom of element A? Write the symbol of the ion formed.
(e) What could element A be ?
(f) Draw the orbital structure of A and its ion.
Atomic Structure
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Answer
(a) [2, 8, 6], as it has three shells — K, L, M.
(b) 16, as atomic number is the total number of electrons so, 2+8+6 = 16
(c) Non-metal, as it has 6 electrons in the valence shell and will accept 2 electrons to complete its octet.
(d) Anion, A2-, as element A has 6 valence electrons so it has a valency of -2 and it will take two electrons, complete its octet and become a negatively charged ion.
(e) Sulphur, as sulphur also has the electronic configuration of [2, 8, 6].
(f) Orbital structure of A and its ion is shown below:
Answered By
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