I will mark as brainiest
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its a ionic bond bro! see element a is potassium. and element b is chlorine. element is highly metallic in nature whereas element b is highly non metallic in nature. and also element a loses a electron and transfers directly to element b . and both elements tend to attain stability by forming a compound kcl. hope you understand please mark brainliest.
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Option d ia the answer ionic bond (electrovalent bond) as tranfer of electrons take place from sodium to chlorine for chlorine to attain octet and sodium to become neutral
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