An element X has atomic number 12 and another element y has atomic number 17 draw diagrams of x and y showing the distribution of electron in the orbits. What is the valency of both elements. What will be the formula between x and y of the compound formed?
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valenct of atomic number 12 is 2 while 17 is 1
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X IS MG
Y IS CL
Mg forms ionic bond to Cl by donating its valence electrons to two Cl atoms.
The electron configuration of Mg is [Ne]3s². It can achieve a complete octet by losing its two valence electrons to form Mg²⁺.
The electron configuration of Cl is [Ne]3s²3p⁵. It can achieve an octet by gaining one valence electron to form Cl.
The oppositely charges of the magnesium and chloride ions attract each other and form ionic bonds.
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