Following are some statements about alkaline earth metalsI) The electronegativity of Ca, Sr, Ba is almost sameII) Be and Mg do not give flame colorsIII) The most abundant alkaline earth metal is Ca in earth's crustThe correct combination is
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Following are some statements about alkaline earth metalsI) The electronegativity of Ca, Sr, Ba is almost sameII) Be and Mg do not give flame colorsIII) The most abundant alkaline earth metal is Ca in earth's crustThe correct combination is