Chemsitry4 8G Metals Flashcards Preview

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Flashcards in Chemsitry4 8G Metals Deck (16)
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1

What are the main physical properties of metals?

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

2

What does "lustrous" mean?

Shiny

3

What does "malleable" mean?

Can be bent in to different shapes

4

What does "ductile" mean?

Can be drawn in to wired

5

Why is copper commonly used to make water pipes?

Copper does not react with water

6

What is the scientific name for rust?

Iron Oxide

7

What is the word equation for rusting?

Iron + Oxygen ------> Iron oxide

8

What is a catalyst?

Speeds up chemical reactions

9

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

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

10

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

hydrogen

11

How do you test for hydrogen?

Squeaky pop test

12

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

liquid

13

What does reactive mean?

When a substance reacts with another substance.

14

What is a chemical reaction?

A reaction where a new substance is formed

15

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

Zinc and oxygen

16

Complete the following equation:
Iron + hydrochloric acid ------> ? + ?

Iron chloride + hydrogen