4. When does covalent bonding take place? A. It takes place when atoms share electrons with one another. B. It takes place when the attraction between atoms is strong. C. It takes place when atoms collide with one another. D. It takes place when atoms attain stability. 5. What kind of bond will result when two identical non-metallic atoms combine? A. ionic bond C. nonpolar covalent bond B. metallic bond D. polar covalent bond 6. What bond holds the atoms of the elements in Groups 1 and 2 of the Periodic Table? A. Nonpolar covalent bond C. metallic bond B. Polar covalent bond D. ionic bond 7. Which among the following shows that an atom is stable? A. having 2 valence electrons C. having 6 valence electrons B. having 4 valence electrons D. having 8 valence electrons 8. Which does NOT describe an ionic bonding? A. It involves the transfer of electrons. B. It involves sharing of electrons. C. Atoms either gain or lose electrons. D. It is a bond between a metal and a non-metal.