Answer: 1) The element that would be the most effective at accepting electrons from another reagent is Cl.
2) The element that would be expected to be the best insulator is Cl (non-metal).
3) The element that is best able to form an ionic compound with sulfur is Rb.
Explanation:
Metals are the species which readily lose electrons in order to attain stability and non-metals are the species which readily accept an electron in order to attain stability.
Generally, metals on combining with non-metals lead to the formation of an ionic compound. For example, [tex]Rb_{2}S[/tex] is an ionic compound where Rb is the metal and S is the non-metal.
Out of the given option Cl is highly electronegative in nature so it will readily accept an electron from a donor atom.
Insulator are the substances which do not allow electric current to pass through them. For example, non-metals are insulators.
Thus, we can match the elements below to the appropriate blanks in the following sentences.
1) The element that would be the most effective at accepting electrons from another reagent is Cl.
2) The element that would be expected to be the best insulator is Cl (non-metal).
3) The element that is best able to form an ionic compound with sulfur is Rb.
Matching the elements to the appropriate blanks as follows :
1) The element that would most effective at accepting electrons is ; CI
2) The element that would be the best insulator is ; Cl
3) The element best to form an ionic compound with sulfur is ; Rb
The acceptance of electrons by elements depends on the electronegativity of the element. from the options listed the element with the highest level of electronegativity is Cl ( chlorine ) therefore it the most effective at accepting electrons
Cl ( chlorine) is a non metal and non-metals are semi-conductors or insulators. therefore Cl would act as the best insulator when compared to other elements.
when metals react with non-metals they form an ionic compound. for sulfur the best metal to react with it is Rb ( soft silvery metal ) and the reaction of Rb and sulfur in hydrogen gas. results in Rb₂S₅
Hence we can conclude Matching the elements to the appropriate blanks as follows : The element that would most effective at accepting electrons is ; CI, The element that would be the best insulator is Cl ,The element best to form an ionic compound with sulfur is ; Rb
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