The element with highest first ionisation energy is
1). hydrogen
2). helium
3). lithium
4). sodium
Answer This Question with Explaination and Earn! Click Here to Know More!
2. What is the principal ore of aluminium ?
3. In nuclear reactors graphite is used as a an
4. The purity of gold is expressed in carats. The purest form of goldis.
5. The molecular formula of phosphorous is
6. The buffer action of blood is due to the presence of
7. Galvanised iron is made by coating iron with
8. Cloud is a colloidal dispersion of