1. An alloy is _______.   an element in the impure form   a mixture of three elements   a solid solution of two or more metals   a compound of three elements   Hint Half-n-half Clue   2. Which of the following metals is a liquid at room temperature?   Cadmium   Sodium   Tungsten   Mercury   Half-n-half Clue   3. Fill in the missing word: _______ + oxygen = Magnesium oxide   magnesium   manganese   metal   carbon   Half-n-half Clue   4. If a metal's ore is titled 'pyrites', then it most probably contains _______.   oxygen   sulfur   chlorine   nitrogen   Half-n-half Clue   5. Iron is magnetic in nature.   True   False   6. Metals that can be easily drawn into wires are known as _______ metals.   malleable   stretchable   polymer   ductile   Half-n-half Clue   7. Metals are usually good conductors of heat and electricity.   True   False