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Materials and Properties in Chemistry

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Questions and Answers

Which metal is primarily used for making jewelry?

Iron

Aluminum

Silver (correct)

Cobalt

What is the name of the alloy composed of iron, carbon, silicon, and manganese?

Bronze

Cast copper

Silicon

Cast iron (correct)

What state of matter is mercury at room temperature?

Liquid (correct)

Gas

Plasma

Solid

Which is the correct melting point of tungsten?

<p>3422°C (B)</p> Signup and view all the answers

How many valence electrons does oxygen have?

<p>6 (D)</p> Signup and view all the answers

Flashcards

What metal is used in jewelry?

Silver is a precious metal commonly used in jewelry making due to its lustrous appearance and malleability.

What is an alloy of iron, carbon, silicon, and manganese?

Cast iron is an alloy composed of iron, carbon, silicon, and manganese. It's known for its strength and durability.

What is the state of mercury at room temperature?

Mercury is a unique element that exists as a liquid at room temperature, making it different from most other metals.

What is the melting point of tungsten?

The melting point of tungsten is exceptionally high, at 3422°C. This makes it highly resistant to heat and ideal for applications like light bulb filaments.

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How many valence electrons does oxygen have?

Oxygen has 6 valence electrons in its outermost shell, which are involved in forming chemical bonds.

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Study Notes

Metal Used in Jewellery

Silver is used in making jewellery.

Alloy of Iron, Carbon, Silicon, and Manganese

Cast iron is an alloy of iron, carbon, silicon, and manganese.

State of Mercury at Room Temperature

Mercury is a liquid at room temperature.

Melting Point of Tungsten

The melting point of tungsten is 3422°C.

Valence Electrons in Oxygen

Oxygen has 6 valence electrons.

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Description

Explore the essential properties and materials used in chemistry with this quiz. Topics include metals used in jewelry, common alloys, and elemental characteristics such as the state of mercury and valence electrons. Test your knowledge on key chemical concepts!