Electron deficient molecule is :
CCl4
PCl5
BF3
SF6
C.
BF3
Structure of BF3 is ;
In this example octet is incomplete .
Hydrolysis of sodium acetate gives :
acidic solution
basic solution
amphoteric solution
neutral solution
Atomic number of an element is equal to the number of :
protons
neutrons
electrons
protons + neutrons