10 questions🇬🇧English
🧂 Periodic Table Groups – Year 8
Chemistry · Year 8 (KS3) — alkali metals, halogens, noble gases and patterns in the periodic table
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Questions
What are the vertical columns of the periodic table called?
Groups
Periods
Series
Shells
20s
Which group of the periodic table contains the noble gases?
Group 7
Group 2
Group 0
Group 1
20s
Which of these elements is a non-metal?
Iron
Sulfur
Calcium
Sodium
20s
Sodium reacts with water. Which gas is given off?
Oxygen
Chlorine
Hydrogen
Carbon dioxide
20s
How does the reactivity of the alkali metals change as you go down Group 1?
It increases
It stays the same
It decreases
It increases, then decreases
20s
Which noble gas is used inside filament light bulbs to stop the hot filament burning?
Neon
Helium
Oxygen
Argon
30s
Why are the noble gases so unreactive?
They have one electron in their outer shell
They have a full outer shell of electrons
They have no electrons at all
Their atoms are much too heavy to react
30s
Which halogen is a red-brown liquid at room temperature?
Fluorine
Chlorine
Bromine
Iodine
30s
Chlorine water is added to potassium bromide solution. What happens?
Potassium is displaced as a shiny metal
Nothing happens because there is no reaction
Bromine is displaced and the solution turns orange
Chlorine is displaced and turns the solution green
30s
Why did Mendeleev leave gaps in his periodic table?
For elements not yet discovered
For elements too reactive to test
To keep every row the same length
For elements that are radioactive
30s