Purposeful Design Chapter 2.1

Front

A substance's ability to be flattened into thin sheets by hammering is called ______.

Back

malleability

Front

What is the most abundant transition metal in Earth's crust?

Back

iron

Front

A naturally occurring rock from which a useful metal or mineral is recovered is called ______.

Back

ore

Front

How many valence electrons do alkaline-earth metals have?

Back

two

Front

Copper is the best conductor of electricity. True or False?

Back

False

Front

What is a metallic bond?

Back

A type of chemical bond that occurs between metal atoms, characterized by a 'sea of electrons' that are free to move.

Front

Define ore.

Back

A naturally occurring solid material from which a metal or valuable mineral can be extracted.

Front

What are alkaline-earth metals?

Back

Elements in group 2 of the periodic table, known for having two valence electrons.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an atom can bond with other atoms.

Front

What is the difference between malleability and ductility?

Back

Malleability is the ability to be hammered into thin sheets, while ductility is the ability to be drawn into wires.