Chemsitry4 8G Metals Flashcards

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1
Q

What are the main physical properties of metals?

A

Hard, lustrous, solid, conduct electricity and heat, malleable, ductile, sonorous

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2
Q

What does “lustrous” mean?

A

Shiny

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3
Q

What does “malleable” mean?

A

Can be bent in to different shapes

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4
Q

What does “ductile” mean?

A

Can be drawn in to wired

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5
Q

Why is copper commonly used to make water pipes?

A

Copper does not react with water

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6
Q

What is the scientific name for rust?

A

Iron Oxide

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7
Q

What is the word equation for rusting?

A

Iron + Oxygen ——> Iron oxide

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8
Q

What is a catalyst?

A

Speeds up chemical reactions

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9
Q

Why does an iron nail not rust when it is left in air?

A

There is no water. Water must be present for rusting to happen.

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10
Q

What gas is produced when a metal reacts with an acid?

A

hydrogen

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11
Q

How do you test for hydrogen?

A

Squeaky pop test

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12
Q

When a metal is heated it turns in to a ……………

A

liquid

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13
Q

What does reactive mean?

A

When a substance reacts with another substance.

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14
Q

What is a chemical reaction?

A

A reaction where a new substance is formed

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15
Q

Zinc oxide is a metal oxide. Which 2 elements make up zinc oxide?

A

Zinc and oxygen

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16
Q

Complete the following equation:

Iron + hydrochloric acid ——> ? + ?

A

Iron chloride + hydrogen