An element “X” has 13 protons, 13 electrons and 14 neutrons.Answer the following questions:What is the atomic number of ‘X’?Identify the element.What is its valency? What is the number of valence electron in ‘X’?What is the type of ion formed by ‘X’? Why?Name the scientist who discovered electrons and protons.

An element “X” has 13 protons, 13 electrons and 14 neutrons.Answer

1.	An element “X” has 13 protons, 13 electrons and 14 neutrons.Answer the following questions:What is the atomic number of ‘X’?Identify the element.What is its valency? What is the number of valence electron in ‘X’?What is the type of ion formed by ‘X’? Why?Name the scientist who discovered electrons and protons.
Answer» 13 Al Valency is 3, the number of valence electrons = 3 Ion formed by X = Cation as it need to lose 3 electrons to acquire an octate electronic configuration. Discoverer of proton is Goldstein and that of electron was JJ Thomson.

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