Chemistry: The Periodic Table

Question 1

How many elements are in the periodic table?

Answer 1

92 elements

Question 2

Name three properties of metals

Answer 2

Normally good conductors of heat & electricity, shiny when cut, malleable, dense and sonorous. Most have a high melting point.

Question 3

What does sonorous mean?

Answer 3

It can produce a deep or ringing sound

Question 4

What is the vertical columns in the Periodic Table called?

Answer 4

They are called groups

Question 5

What does brittle mean?

Answer 5

Easy to snap or break.

Question 6

What are Group 1 elements called?

Answer 6

They are called alkali metals

Question 7

How do Group 1 metals react with water?

Answer 7

They react vigorously (strongly)

Question 8

(For Group 1) As you go down the group…

Answer 8

….the more reactive the metals become

Question 9

What do Group 1 metals produce when reacted with water?

Answer 9

They produce a metal hydroxide and hydrogen gas.

Question 10

Are the metals on the left or right hand side?

Answer 10

The metals are on the left hand side and the non-metals are on the right.

Question 11

Name a Group 1 metal

Answer 11

Sodium, Lithium, Potassium, Rubidium, Caesium or Francium

Question 12

Name a metal

Answer 12

Gold ( more metals)

Question 13

Name a non-metal

Answer 13

Oxygen ( more non-metals)

Question 14

What is the chemical symbol for Magnesium?

Answer 14

Mg

Question 15

What are Group 7 non-metals called

Answer 15

Halogens

Question 16

What are group 7 the opposite of?

Answer 16

They are the opposite of the Group 1 metals

Question 17

What is a displacement reaction?

Answer 17

It is where an element from higher up the group takes the place of one from lower down the group in a compound. For example; Potassium iodide + chlorine — Potassium chloride + iodide

Question 18

What are Group 0 called?

Answer 18

They are called noble gases

Question 19

How reactive are the halogens?

Answer 19

They are generally reactive

Question 20

How reactive are the Group 0 gases?

Answer 20

They are very unreactive

Question 21

What state are the noble gases at room temperature?

Answer 21

They are a gas at room temperature

Question 22

What are the horizontal rows in the Periodic Table called?

Answer 22

It is called periods

Question 23

What does malleable mean?

Answer 23

It is able to be hammered or rolled into a thin sheet without breaking.

Question 24

What is the chemical symbol for Helium

Answer 24

He