In the compound between A and H, what type of bond is formed?
What type of chemical bond is formed between: (a) potassium and bromine? (b) carbon and bromine?
What is a covalent bond? How H2 molecules are formed?
(a) What is a covalent bond? What type of bond exists in (i) CCl4, and (ii) CaCl2? (b) What is an ionic bond ? What type of bond is present in oxygen molecule?