EASY
9th CBSE
IMPORTANT
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The electronic configuration of an element Z is 2, 8, 8. What is the atomic number of the element? 16/ 18

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Important Questions on Structure of Atom

MEDIUM
9th CBSE
IMPORTANT
The electronic configuration of an element Z is 2, 8, 8. State whether element Z is a metal or a non-metal.
MEDIUM
9th CBSE
IMPORTANT
The electronic configuration of an element Z is 2, 8, 8. What type of ion (if any) will be formed by an atom of element Z? Why? 
MEDIUM
9th CBSE
IMPORTANT
The electronic configuration of an element Z is 2, 8, 8. What is special about the outermost electron shell of the atom of this element?
MEDIUM
9th CBSE
IMPORTANT
The electronic configuration of an element Z is 2, 8, 8. Give the symbol of element Z. Cl/ Ar/ K
EASY
9th CBSE
IMPORTANT
The electronic configuration of an element Z is 2, 8, 8. Name the group of elements to which Z belongs.
MEDIUM
9th CBSE
IMPORTANT
The total number of electrons in a nitrogen atom is 7. Find the number of valence electrons in it.
MEDIUM
9th CBSE
IMPORTANT
What is the general name of the elements having 8 electrons in the valence shell of their atoms?
MEDIUM
9th CBSE
IMPORTANT
Which noble gas has less than 8electrons in the valence shell of its atom? What is this number?