1. Metals are usually good conductors of heat and electricity.   True   False   2. Which of the following metals is a liquid at room temperature?   Tungsten   Mercury   Cadmium   Sodium   Hint Half-n-half Clue   3. Which metal is extracted from the ore 'bauxite'?   Aluminum   Tungsten   Gold   Iron   Half-n-half Clue   4. Which of the following does not belong to this group?   Iron   Oxygen   Lead   Sodium   Half-n-half Clue   5. With which metal does oxygen combine to form rust?   Iron   Gold   Silver   Platinum   Half-n-half Clue   6. Metals that can be easily drawn into wires are known as _______ metals.   ductile   stretchable   malleable   polymer   Half-n-half Clue   7. Rocks that are rich in metals are known as _______.   slag   metalloids   ores   allotropes   Half-n-half Clue