Which of the following elements is diatomic?
...Which of the following elements is diatomic?
Sodium
Oxygen
Iron
Neon
Correct answer is B
The seven diatomic elements are Hydrogen, Nitrogen, Oxygen, Fluorine, Chlorine, Iodine, Bromine.
The energy change which accompanies the addition of an electron to a gaseous atom is ...
For a general equation of the nature xP + yQ ≈ mR + nS, the expression for the equilibrium con...
When sodium chloride and metallic sodium are each dissolved in water ...
How many valence electrons are contained in the element represented 3115P?...
Which of the following metals exists as liquid at ordinary temperature? ...
147N + X → 178O + 11 H. In the above reaction, X is a?...
The best way of collecting chlorine is? ...
Which of the following is a general method of preparing acids? ...