B. Paraffin wax
D. Sucrose (table sugar)
7. Which of the following two statements about covalent bond are
correct?
1. It can be formed between two metal atoms.
2. It can be formed between two non-metal ions.
3. It is formed by the transfer of electrons between atoms.
4. It is formed by sharing of electrons between atoms.
A. 1 and 3
C. 2 and 3
B. 1 and 4
D. 2 and 4
8. A chemical bond formed when two atoms share electrons is called an)​