What is the chemical symbol for lead?
What is the most common metal on earth?
Out of these metals, which is the most reactive?
Which metal has the lowest melting point?
Bronze is a metal alloy, meaning it's a mixture of at least one metal and another metal or nonmetal. Which are they?
What percent gold is 14k gold?
What is the minimum amount of silver in sterling silver?
What metal is used as the filament in regular light bulbs?