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Answer 1.. (a.). We know that,. Mass number is the sum

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Added on  2019-10-09

Answer 1.. (a.). We know that,. Mass number is the sum

   Added on 2019-10-09

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Answer 1.(a.)We know that, Mass number is the sum of the number of proton and the number of neutronsTherefore,Number of the protons = Mass number - Number of neutrons= 25 - 13= 12The atomic number of the element is equal to the number of protons = 12. (b.) c.) There are only two electrons in the outer most shell therefore the atom would prefer to lose two of its electron and become a cation rather than gaining six electrons.2.(a.) If the electronegativity difference is zero then the bond is non-polar covalent. If the difference between the electro negativities is more than zero but less than 2, then the bond is polar covalent and if the difference between the electro negativities is more 2, then the bond is ionic.
Answer 1.. (a.). We know that,. Mass number is the sum _1

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