What is the name of element with atomic number 105?
Kurchatovium
Dubnium
Nobelium
Holmium
B.
Dubnium
The element with atomic number 105 is Dubnium. It is also known as Un-nil-pentin.
KI and CusO4 solution when mixed, give :
CuI2 + K2SO4
Cu2I2 + K2SO4
K2SO4 + Cu2I2 + I2
K2SO4 + CuI2 + I2