Gemstone and Metal Flashcard 8

Front

What is the primary ingredient of steel?

Back

Iron

Front

Which metal is known for its high thermal and electrical conductivity?

Back

Copper

Front

What does hardness measure in minerals?

Back

Hardness measures a mineral’s resistance to being scratched.

Front

What are synthetic gemstones?

Back

Lab-created gemstones that have the same appearance and chemical content as natural gemstones.

Front

What is the reddish-orange metal often used for electrical wiring?

Back

Copper

Front

What is the chemical symbol for iron?

Back

Fe

Front

What is the chemical symbol for copper?

Back

Cu

Front

What is the difference between a mineral and a gemstone?

Back

A mineral is a naturally occurring inorganic substance, while a gemstone is a cut and polished mineral used for jewelry.

Front

What property of metals allows them to conduct electricity?

Back

The presence of free-moving electrons.

Front

What is the Mohs scale?

Back

A scale used to measure the hardness of minerals.