An atom X has 2 electrons greater than its nearest noble gas. What would be the formula of its:
a) chloride
b) oxide

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Solution

a) Chlorine is short of one electron for its octet (2, 8, 7)
Hence the formula of its chloride would be $X C l_{2}$
b) Oxygen is short of two electrons (2, 6)
Hence the formula of it oxide would be $X O$

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An atom X has 2 electrons greater than its nearest noble gas. What would be the formula of its: a) chloride b) oxide

a) Chlorine is short of one electron for its octet (2, 8, 7) Hence the formula of its chloride would be XCl2 b) Oxygen is short of two electrons (2, 6) Hence the formula of it oxide would be XO

An atom X has 2 electrons greater than its nearest noble gas. What would be the formula of its:
a) chloride
b) oxide

a) Chlorine is short of one electron for its octet (2, 8, 7)
Hence the formula of its chloride would be $X C l_{2}$
b) Oxygen is short of two electrons (2, 6)
Hence the formula of it oxide would be $X O$