Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
Why do atoms undergo bonding?
Attain Stability
Increase Energy
Loss stability
Move freely
Which of the following statement is not correct regarding covalent bonds?
The bond formed by atoms by mutually sharing their electron pairs is known as a covalent bond
The covalently bonded molecules have strong bond within the molecules
Compounds with covalent bonds are poor conductor of electricity
Covalent bonds have strong inter-molecular forces
Electron density is ____ for the bonding MO’s in the inter-nuclear region but _____ for the anti-bonding MO’s,
increased, increased
increased, decreased
decreased, decreased
decreased, increased
What is Valency?
The number of electrons in the outermost orbit of an atom is known as its valence electrons
The number of electrons in the innermost orbit of an atom is known as its valence electron
The number of electrons in all the orbits of an atom is known as its valence electrons
None of these
Mark the compound which possesses ionic, covalent, and co-ordinates bonds.
NH4Cl
SO3
SO2
H2O