What is the chemical symbol for Promethium?
...What is the chemical symbol for Promethium?
Pr
Pro
Pm
P
Correct answer is C
No explanation has been provided for this answer.
Potassium trioxonitrate (V) can be obtained from its solution by---------- ...
The colour of litmus in a neutral medium is ...
Which of the following is normally used for drying ammonia gas? ...
The process of rusting is an example of the formation of ...
Elements with high ionization energies would------- ...
The formation of ethene from dehydration of ethanol can be described as------- ...
When zinc is added to AgNO3 solution, crystals of silver forms on the zinc surface. This indi...