write the electronic configuration of x and y having atomic number 20,17 write molecular formula of XY draw the electron dot structure of product XY find nature and bond in xy?
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x-20-calcium 1s²2s²2p⁶3s²3p⁶4s²
y-17-chlorine. 1s²2s²2p⁶3s²3p⁵
molecular formula CaCl2
XY has ionic bond
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