An element x has mass number of 19 and the number of neutrons 11, identify x and its group number and its period
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X is oxygen
As mass number is 19 and number of neutrons is 11 therefore number of electrons is)(19-11)=8
Period is the number of shells that is 2 for oxygen and group is the number of valence electrons that is 6 for oxygen ie 16th group
Hope it helps :)
As mass number is 19 and number of neutrons is 11 therefore number of electrons is)(19-11)=8
Period is the number of shells that is 2 for oxygen and group is the number of valence electrons that is 6 for oxygen ie 16th group
Hope it helps :)
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