Alkali metals and halogens worksheet answers

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The Periodic Table
1	Why did Dmitri Mendeleev leave gaps in his Periodic Table ?	Answer
2	What is a Column called?	Answer
3	What is a Row called?	Answer
4	Where do you find Non-Metals in the Periodic Table ?	Answer
5	What is important about the Group Number of an Element ?	Answer
6	What is the Electron Structure of Potassium ?	Answer

The Alkali Metals
7	What is the Group Number of the Alkali Metals ?	Answer
8	Why are the Alkali Metals stored under oil ?	Answer
9	Give two Properties of the Alkali Metals ?	Answer
10	Going down the Group , do the Alkali Metals become More Reactive ?	Answer
11	Write the Word Equation for the reaction when Potassium burns in Air .	Answer
12	What Colour is the Flame from Potassium ?	Answer
13	Write the Balanced Equation for the reaction when Potassium burns in Air .	Answer
14	Write the Balanced Equation for the reaction between Sodium and Water .	Answer
15	Write two things you would See in the reaction between Sodium and Water .	Answer
16	Write the Balanced Equation for the reaction between Lithium and Chlorine .	Answer
17	Give one Property of an Alkali Metal Compound ?	Answer
18	Give one Use of Sodium Chloride ?	Answer
19	Give one Use of Sodium Carbonate ?	Answer

The Electrolysis of Sodium Chloride in Water
20	What is Brine ?	Answer
21	Which Gas is given off at the Cathode ?	Answer
22	Which Gas is given off at the Anode ?	Answer
23	Give the Ionic Equation for the Gas given off at the Anode .	Answer
24	Why don't you get Sodium Metal at the Cathode ?	Answer
27	What Substance is left in Solution after Electrolysis ?	Answer
28	Give one Use of this Substance ?	Answer

The Transition Metals
29	Where do you find the Transition Metals in the Periodic Table ?	Answer
30	What is their Group Number ?	Answer
31	Do the Transition Metals Conduct Electricity ?	Answer
32	Do the Transition Metals form Coloured Compounds ?	Answer
33	Give one Use of Copper ?	Answer
34	Give one Example of a Transition Metal Used as a Catalyst .	Answer

The Halogens
35	What is the Group Number of the Halogens ?	Answer
36	What does Diatomic mean?	Answer
37	What Colour is Chlorine ?	Answer
38	What Colour is Bromine ?	Answer
39	Is Iodine a Liquid ?	Answer
40	Going down the Group , do the Halogens become More Reactive ?	Answer
41	Going down the Group , do the Halogens have a Higher Boiling Point ?	Answer
42	Write the Balanced Equation for the reaction between Aluminium and Chlorine .	Answer
43	Write the Balanced Equation for the reaction of Chlorine with Potassium Iodide .	Answer
44	Write the Ionic Equation for the reaction of Chlorine with Potassium Iodide .	Answer
45	Give one Use of Fluoride ?	Answer
46	Give one Use of Chlorine ?	Answer
47	Give one Use of Bromide ?	Answer
48	What does Hydrogen Chloride make when it is Dissolved in Water ?	Answer
49	How is Hydrogen Chloride Safely Dissolved in Water ?	Answer

The Noble Gases
50	What is the Group Number of the Noble Gases ?	Answer
51	What does Monatomic mean?	Answer
52	Going down the Group , do the Noble Gases have a Higher Boiling Point ?	Answer
53	Give one Use of Helium ?	Answer
54	Give one Use of Neon ?	Answer
55	Give one Use of Argon ?	Answer