An element has atomic number 19. where would you expect this element in the periodic table and why?2m for 10 class
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An element has atomic number 19. where would you expect this element in the periodic table and why?2m for 10 class
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First group, Fourth period
Explanation:
Since the element has atomic number of 19, its Electronic Configuration can be written as:
2, 8, 8, 1
This means that there are
As we can see, the electrons have occupied 4 shells.
So, the element belongs to Fourth period.
In the outermost shell which is the N shell, only 1 electron is present.
So, the element belongs to First group.
Verified answer
Answer:
in group 1( 19 atomic number is for potassium )