MEDIUM
9th ICSE
IMPORTANT
Earn 100

Draw the diagram representing the atomic structure of the oxide ion.

Important Questions on Atomic Structure and Chemical Bonding

MEDIUM
9th ICSE
IMPORTANT
What is the significance of the number of protons found in the atoms of different elements ?
MEDIUM
9th ICSE
IMPORTANT
Elements XY and Z have atomic numbers 69 and 12 respectively. Which one forms an anion.
MEDIUM
9th ICSE
IMPORTANT
Elements XY and Z have atomic numbers 69 and 12 respectively. Which one forms cation ?
MEDIUM
9th ICSE
IMPORTANT
Elements XY and Z have atomic numbers 69 and 12 respectively. Which one has four electrons in its valence shell?
MEDIUM
9th ICSE
IMPORTANT
Element X has electronic configuration 281881. Without identifying X predict the sign and charge on a simple ion of X.
MEDIUM
9th ICSE
IMPORTANT
Element X has electronic configuration 281881. Without identifying X, write if X will be an oxidising agent or a reducing agent. Why?