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An element A with atomic number 19 combines separately with NO 3 – and (SO 4 )
Science
Periodic Classification of Elements
Question
Updated
19 Aug 2026
An element A with atomic number 19 combines separately with NO 3 – and (SO 4 ) 2 – ,(PO 4 ) 3 – radicals:
A
Choose Your Answer
A
Give the electronic configuration of element A
B
Write the formulae of the three compounds so formed
C
To which group of the periodic table does the element ‘R’ belong?
D
Does it form covalent or ionic compound? Why?
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