An element ‘X’ belong to 3rd period and group 13 of the Modern Periodic Table. (a) Determine the number of valence electrons and the valences of ‘X’. (b) What is the molecular formula of the compound formed when ‘X’ reacts with an element ‘Y’? atomic number 18 . (c) Write the name and formula of the compound formed when ‘X’ combines with chlorine.
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a) ELEMENT X IS Al.
Atomic no. = 13
valence electrons = 5
valency = 3
b) ELEMENT Y OF ATOMIC NO. 18 IS ARGON
electronic configuration = 2,8,8
valency = 0
when Al react with Ar
AlAr3.
c) when Al react with Cl
Alcl3.
I hope this will help you....
Atomic no. = 13
valence electrons = 5
valency = 3
b) ELEMENT Y OF ATOMIC NO. 18 IS ARGON
electronic configuration = 2,8,8
valency = 0
when Al react with Ar
AlAr3.
c) when Al react with Cl
Alcl3.
I hope this will help you....
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