Group 1 Aklali metals

Question 0

What is the electron configuration of Lithium?

Answer 0

2,1

Question 1

What are the first 3 alkali metals?

Answer 1

Lithium, Sodium, Potassium

Question 2

What is the electron configuration of sodium?

Answer 2

2,8,1

Question 3

What is the electron configuration of Potassium?

Answer 3

2,8,8,1

Question 4

How do group 1 atoms form ions?

Answer 4

They lose 1 electron

Question 5

What is the charge on a Group 1 ion?

Answer 5

+1

Question 6

What is the name for positive ions?

Answer 6

Cations

Question 7

What are negative ions known as?

Answer 7

Anions

Question 8

What do Group 1 metals react with?

Answer 8

Water, halogens (group 7) and oxygen.

Question 9

What is the word equation for sodium reacting with water?

Answer 9

sodium + water –> sodium hydroxide + hydrogen

Question 10

what is the word equation for Potassium reacting with oxygen?

Answer 10

Potassium + oxygen –> Potassium Oxide

Question 11

What is the colour of Flourine?

Answer 11

Pale Yellow

Question 12

What is the colour of Chlorine?

Answer 12

Green

Question 13

What is the colour of Bromine?

Answer 13

Orange/Brown

Question 14

what is the colour of Iodine?

Answer 14

Grey/purple

Question 15

At room temperature Fluorine is in what state?G

Answer 15

Gas

Question 16

At room temperature Chlorine is in what state?Gas

Answer 16

Gas

Question 17

At room temperature, Bromine is in what state?

Answer 17

Liquid

Question 18

At room temperature iodine is in what state?

Answer 18

Solid

Question 19

What colour vapours does Bromine produce?

Answer 19

Orange

Question 20

what colour vapours do Iodine produce?Purple

Answer 20

Purple

Question 21

what is an ionic bond?

Answer 21

The force of attraction between positively and negatively charged ions

Question 22

What is the charge on a sodium ion?

Answer 22

+1

Question 23

What is the charge on a Fluoride ion?

Answer 23

-1

Question 24

what is the formula for Sodium chloride

Answer 24

NaCl

Question 25

What do you call the shape of an ionic crystal?

Answer 25

Giant ionic lattice

Question 26

How do you break down giant ionic lattices?

Answer 26

Dissolve the substance in water or turn it into a liquid (melt it)

Question 27

What happens the the ions when an ionic lattice is dissolved in water?

Answer 27

The substance can conduct electricity as the ions are free to flow

Question 28

What are the hazard symbols associated with group 1 metals?

Answer 28

They are flammable, their salts (hydroxides) are corrosive.

Question 29

What precautions should you take when working with Group 1 metals?

Answer 29

Wear safety goggles, watch teacher demonstration, use a safety screen, don't use near naked flames, wear gloves

Question 30

What uses do group 7 have?

Answer 30

All have disinfectant properties. Chlorine water can be used to sterilise water Also found in disinfectants Iodine solution used to sterilise skin before operations