1. How many electrons are required in the outermost shell of an element for it to be stable?   4   2   8   6   Hint Half-n-half Clue   2. Inert gases do not react with any other element because   their outermost electron level is filled with 8 electrons.   the temperature is not high enough.   their nucleus is very small.   the pressure is not high enough.   Half-n-half Clue   3. A chemical bond formed by exchange of electrons is called   a hydrate bond.   a magnetic bond.   an ionic bond.   a covalent bond.   Half-n-half Clue   4. Which of the following compounds is ionic?   H2O   NaCl   HCl   CH4   Half-n-half Clue   5. Ionic compounds conduct electricity in   Amorphous State.   Fused state or solution state.   Crystalline State.   Powdered State.   Half-n-half Clue   6. The name of the compound with the formula KCl is   Chlorate Potassium   Potassium Chloride   Chloride Potassium   Potassium Chlorate   Half-n-half Clue   7. An atom which gains an electron forms   a covalent bond.   a cation.   an anion.   a hydrogen bond.   Half-n-half Clue