Two elements X&Y have atomic number 12 & 16 respectively.To which period of the modern periodic table do this to elements belong ? What type of bond will be formed between them & why ? Also give the chemical formula of the compound formed .
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Answer:They belong to 3rd period.
They will form ionic bond.
They will form MgS.
Explanation: Elements X and Y are Magnesium and Sulphur respectively.
Mg will lose 2 electrons to obtain nearest noble gas configuration.
Similarly S will accept 2 electrons to obtain nearest noble gas configuration.
Mg^2+ + S^2-= MgS
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