Which of the following is a use of a certain halogen?

Sterilising water because its toxic

Noble gases release coloured light when used in light bulbs because...

excited electrons fall back to lower energy levels..

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CC13 Groups in the Periodic Table

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edexcel, CC13, groups, alkali metals, group 1, group 7, group 8, halogens, noble gases, group 0

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Questions 15

Answers

1
Noble gases
Group 1
Transition metals
Group 7
Group 8/0
2
What kind of reaction is shown in the image?
Displacement
Halogen competition
Halogen fight!
Halogen replacement
3
Unusually soft, highly reactive, low density metals
Halogens
Alkali metals
Transition metals
Noble gases
4
The diagram shown can be used to explain which of the following trends?
Increasing luster
Increasing electrical conductivity
Increasing reactivity
Decreasing hardness
5
Why is using Helium in a giant air balloon safer than using Hydrogen?
Helium is less dense than air so will float
Helium is more dense than air
Hydrogen is toxic
Helium is inert
6
Which of the following is a use of a certain halogen?
Chlorine
Sterilising water because its toxic
Fluorescent bulbs
Sterilising water because it smells like swimming pools
7
What is the missing product?
Sodium fluoride
Sodium oxide
Sodium chloride
Sodium fluorine
8
Argon and Krypton belong in which group?
Halogens
Noble gases
Transition metals
Alkali metals
9
Noble gases release coloured light when used in light bulbs because...
they react with other elements in the light bulb
noble gases are reactive
excited electrons fall back to lower energy levels..
Science!
10
What kind of reaction will take place here?
Catalysis
Halogen reaction
None.
Displacement
11
What is the missing product?
MgCl2
MgCL2
2 MgCl
MgCl2
12
Burns with a lilac flame when reacting with water, producing Hydrogen and a metal hydroxide
Iodine
Potassium
Helium
Sodium
13
Gases at room temp., inert, colourless
Alkali metals
Noble gases
Halogens
Transition metals
14
The 1st is a pale yellow G, 2nd is green-yellow G, 3rd is a red-brown L, 4th is a purple S.
Noble gases
Alkali metals
Transition metals
Halogens
15
The first atom shown in the diagram is of what element?
Helium
Lithium
Beryllium
Fluorine

CC13 Groups in the Periodic Table Flashcards | StudBud