Question

Please help me out guys! I've my exam tomorrow.

The electron distribution of a selenium atom is 2 + 8 + 18 + 6.
(i) Selenium forms an ionic compound with potassium. Draw a diagram which shows
the formula of this ionic compound, the charges on the ions and the arrangement of
the valency electrons around the negative ion.
Use o to represent an electron from an atom of potassium.
Use x to represent an electron from an atom of selenium.

Answer 1

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