1. An atom which loses an electron forms   a polymer.   a covalent bond.   an anion.   a cation.   Hint Half-n-half Clue   2. Which of the following compounds is covalent?   LiCl   KCl   NH3   MgCl2   Half-n-half Clue   3. An atom which gains an electron forms   an anion.   a hydrogen bond.   a cation.   a covalent bond.   Half-n-half Clue   4. Ionic compounds are usually   soluble in ethers.   soluble in alcohols.   soluble in aldehydes.   soluble in water.   Half-n-half Clue   5. A chemical bond formed by exchange of electrons is called   a magnetic bond.   a covalent bond.   a hydrate bond.   an ionic bond.   Half-n-half Clue   6. In an ionic bond, the two elements   share electrons.   borrow electrons.   polarize electrons.   exchange electrons.   Half-n-half Clue   7. Ionic compounds conduct electricity in   Amorphous State.   Powdered State.   Fused state or solution state.   Crystalline State.   Half-n-half Clue