Questions And Answers On Metals And Their Properties

Question: Metals can be hammered or pressed into thin sheets. What is this property called?

Answer: Malleability

Explanation: Malleability is a property that allows for flattening of metals into thin sheets under compressive pressure.
Trivia: Gold is the most malleable metal.

Question: Metals can be stretched into a thin wire under tensile strength before failure. What is this property called?

Answer: Ductility

Trivia: Platinum is the most ductile metal, followed by Gold.

Question: Which is the only metal that's liquid at room temperature?

Answer: Mercury

Trivia: Mercury melts at -38.83 degree Celsius or -37.89 Fahrenheit.

Question: Which is the most abundant metal on Earth's crust?

Answer: Aluminium

Trivia: About eight percent of the Earth's crust is made up of Aluminium.

Question: Which metal is the best conductor of electricity?

Answer: Silver

Trivia: Along with being the best conductor of electricity, Silver is also the best conductor of heat.

Question: When most metals react with oxygen, what do they form?

Answer: Oxide

Trivia: Silver and Gold are the only two metals that don't react with Oxygen at any temperature.

Question: What is the most reactive metal?

Answer: Caesium

Trivia: Caesium is also the softest metal and has a melting point of 28.5 degree Celsius (83.3 F).

Question: Which metals only occur in free or native state?

Answer: Gold and Platinum

Trivia: Platinum and Gold are the only two metals that are occur completely in a pure form in nature.

Question: What is an alloy?

Answer: A homogeneous mixture of metals, or a metal and a non-metal

Explanation: Alloys are homogeneous mixture of two or more metals, or a metal and an another element in the periodic table. Alloys enhance the property of metals, making them fit for human use.

Question: What is the Activity Series of Metals?

Answer: It is ranking metals based on their reactivity

Explanation: The Reactivity series or Activity series is a list of metals, ranked from their highest reactivity to the lowest. Caesium ranks the highest in the list, while Platinum ranks the lowest.

Question: What are Amphoteric Oxides?

Answer: Oxides that react with both acids and bases

Trivia: Zinc Oxide, Lead Oxide and Aluminium Oxide are some of the examples of Amphoteric Oxides.