Chapter 22 - The Periodic Table

Question 1

The periodic table

Answer 1

Shows the elements in order of increasing atomic number

Question 2

Groups

Answer 2

Vertical columns of elements

Question 3

Periods

Answer 3

Horizontal rows of elements in the periodic table

Question 4

What are Group I of the periodic table called?

Answer 4

The alkali metals

Question 5

What are Group II of the periodic table called?

Answer 5

The alkaline earth metals

Question 6

What are Group VII of the periodic table called?

Answer 6

The halogens

Question 7

What are Group O/Group VIII of the periodic table called?

Answer 7

The noble gases

Question 8

Describe Alkali metals

Answer 8

• One electron in outer shell
• Very reactive
• Soft and easily cut
• Quickly lose shine
• Stored in oil
• Conduct electricity
• Low density
• Low melting point

Question 9

Name 3 alkali metals

Answer 9

• Lithium
• Sodium
• Potassium

Question 10

lithium + water —> ?

Answer 10

lithium + water —> lithium hydroxide + hyrdogen

Question 11

sodium + oxygen —> ?

Answer 11

sodium + oxygen —> sodium oxide

Question 12

Describe Alkaline Earth Metals

Answer 12

• All have two electrons in outer shell

* Not as reactive as group 2

Question 13

Name three Alkaline Earth Metals

Answer 13

• Beryllium
• Magnesium
• Calcium

Question 14

Decribe Halogens

Answer 14

• Have seven electrons in outer shell

* Trying to gain one electron

Question 15

Name two Halogens

Answer 15

• Fluorine

- Chlorine

Question 16

Describe Noble Gases

Answer 16

• Full outer shell of electrons
• All gases
• Unreactive and very stable

Question 17

Name three Noble Gases

Answer 17

• Helium
• Neon
• Argon