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1) metals at the top of reactivity series ,includes the most reactive metals such as Na sodium and K potassium as they are comparetively more reactive they reacts easily with other components in nature such as gases like oxygen etc. hence they occur or found in combined state with other elemnts or componds ie. not found in free state
2) Atom Y has 2 electrons in its valence shell , hence to form and it has to b stable , hence it will lose 2 electrons and form its ion ie. Y2+ .
Similarly atom X will gain one electron to form its anion ie. X1-
According to recaputalation rule the formula for it will be ,YX_2
As the bond is formed by combining two ions it is an ionic bond
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2) Atom Y has 2 electrons in its valence shell , hence to form and it has to b stable , hence it will lose 2 electrons and form its ion ie. Y2+ .
Similarly atom X will gain one electron to form its anion ie. X1-
According to recaputalation rule the formula for it will be ,YX_2
As the bond is formed by combining two ions it is an ionic bond
..mark me as brainliest ....
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