Advertisements
Advertisements
Question
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If the compound formed between A and B is melted and an electric current is passed through the molten compound, the element A will be obtained at the ______ and B at the ______ of the electrolytic cell.
Advertisements
Solution
If the compound formed between A and B is melted and an electric current is passed through the molten compound, then element A will be obtained at the cathode and B at the anode of the electrolytic cell.
RELATED QUESTIONS
Elements forming ionic compounds attain noble gas configuration by either gaining or losing electrons from their outermost shells. Give reason to explain why carbon cannot attain noble gas configuration in this manner to form its compounds.
Give the characteristic properties of covalent compounds.
For each compound mentioned above give the formulae of ions formed in aqueous solution.
Draw all possile structural formulae of compound from their molecular formula given below.
C3H4
Explain the following term with example.
Unsaturated hydrocarbon
Draw electron - dot structure and structural formula of methane.
The molecule which contains a triple covalent bond is ______.
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
X is likely to have a ______.
Element A has 2 electrons in its M shell. Element B has atomic number 7.
Write equations to show how A and B form ions.
An element A is soft and can be cut with a knife. This is very reactive to air and cannot be kept open in air. It reacts vigorously with water. Identify the element from the following
