Bonding In Metals

At room temperature, most metals are solids.

• True

• False

An _____ is a mixture made of two or more elements that have properties of metals.

Alloys are generally than are the pure metals from which they are made (chose all that apply)

• stronger

• the same

• weaker

• more likely to react with air and water

• less likely to react with air and water

Why is iron often alloyed with one or more other elements?

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NGSS.HS-ETS1-3

NGSS.HS-PS2-6

_________ _____, an alloy of iron, nickel, and chromium, does not react with air and water like iron.

Alloys are mixtures NOT compounds.

• True

• False

Why do metals lose valence electrons easily?

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NGSS.HS-PS1-1

NGSS.HS-PS1-2

Like many solids, metals exist as crystals.

• False

• True

A ________ ____ an attraction between a positive metal ion and the electrons surrounding it.

Describe the "sea of electrons" with metals and metal alloys

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NGSS.HS-PS1-2