What is the likely formula of compound formed between ele...
What is the likely formula of compound formed between element M in group two and element X in group seven?
M7X2
M2X
M2X7
MX2
MX6
Correct answer is D
No explanation has been provided for this answer.
Which of the following exhibits resonance? ...
Which of the following substances is a peroxide? ...
The atomic number of iron is 56. The number of unpaired electrons in the Fe3+ ion is ...
Proteins in acid solution undergo? ...
Calculate the relative molecular mass of Limestone CaCO3, (Ca = 40, C =12, O = 16) ...
Electrolysis is applied in the following processes except ...
What is the chemical symbol for Erbium? ...
Which of the following compounds will impart a brick-red colour to a non-luminious bunsen flame? ...