The Periodic Table - Intro to Back to Basics (1.3)

Question 1

Where are the metals found in the periodic table?

Answer 1

On the left

Question 2

Where are the non-metals found in the periodic table?

Answer 2

On the right

Question 3

Where are the metalloids found?

Answer 3

In the middle

Question 4

What are the properties of metalloids?

Answer 4

Metalloids have the properties of both metals & non-metals

Question 5

Are there any trends in properties of elements in a period?

Answer 5

Elements in a period have gradually different properties

Question 6

What do elements in a group have in common? How does this affect their properties?

Answer 6

• They all have the same number of outer electrons

- This means they have similar chemical properties

Question 7

What is another name for group 1 elements?

Answer 7

Alkali metals

Question 8

What is another name for group 2 elements?

Answer 8

Alkali earth metals

Question 9

What is another name for group 7 elements?

Answer 9

Halogens

Question 10

What is another name for group 8 elements?

Answer 10

Noble gases

Question 11

Describe the properties of G1 & G2 metals

Answer 11

• They are all soft silvery metals
• They are highly reactive
• They react with water to form an alkaline solution & hydrogen

Question 12

What solutions do metal hydroxides dissolved in water give?

Answer 12

Alkaline solution

Question 13

What is the trend in reactivity with water in G1?

Answer 13

They get more reactive

Question 14

Describe the properties of transition metals

Answer 14

• They are denser & less reactive than G1 & G2 metals
• They often form coloured compounds
• They can be used as catalysts

Question 15

Describe the properties of halogens

Answer 15

• They form diatomic molecules
• Their colours get darker down the group
• Their boiling points increase down the group

Question 16

Describe the appearance of Fluorine

Answer 16

Pale yellow gas

Question 17

Describe the appearance of Chlorine

Answer 17

Yellow-green gas

Question 18

Describe the appearance of Bromine

Answer 18

Red-brown liquid

Question 19

Describe the appearance of Iodine

Answer 19

Blueish-black solid

Question 20

Describe the properties & uses of noble gases

Answer 20

• Very unreactive
• They exist as single atoms, not molecules
• Often used in advertising lights

Question 21

Why are noble gases very unreactive?

Answer 21

Because they have a full outer shell of electrons