What are metals?

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Which characteristics are typically associated with metals?

Liquid, dull, and pink in color

Soft, weak, and poor conductors of electricity

Solid, shiny, and silvery grey in color (correct)

Gas, transparent, and low melting points

What percentage of Earth's crust is made from metallic or semi-metallic atoms?

70%

50% (correct)

90%

30%

Which elements are usually considered as metals?

Aluminium and iron (correct)

Nitrogen and neon

Silicon and sulfur

Oxygen and carbon

What physical properties do semi-metals or metalloids exhibit?

Properties somewhere between metals and nonmetals Signup and view all the answers

How are nonmetals generally defined?

Everything else apart from metals Signup and view all the answers

What are some examples of semi-metals mentioned in the text?

Silicon and germanium Signup and view all the answers

Which group of elements is often printed separately on the periodic table?

Rare-earth metals Signup and view all the answers

What is an alloy?

A metal mixed with other materials Signup and view all the answers

What process is used to make plastics look like shiny metals?

Electroplating Signup and view all the answers

Which material conducts electricity only under special conditions?

Silicon Signup and view all the answers

What are metals?

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Questions and Answers

Which characteristics are typically associated with metals?

What percentage of Earth's crust is made from metallic or semi-metallic atoms?

Which elements are usually considered as metals?

What physical properties do semi-metals or metalloids exhibit?

How are nonmetals generally defined?

What are some examples of semi-metals mentioned in the text?

Which group of elements is often printed separately on the periodic table?

What is an alloy?

What process is used to make plastics look like shiny metals?

Which material conducts electricity only under special conditions?

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