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WorksheetsGroup One Metals Quiz (Alkali Metals)
Total questions: 20
Worksheet time: 10mins
Grace, Samuel, and William are working on a science project involving group one metals. The metals must be stored in a way that prevents their reaction with oxygen in the air. What method should they use?
Store the metals in water
Store the metals in a vacuum
Store the metals under kerosene or mineral oil
Expose the metals to sunlight
What is the appearance of lithium when it is coated with a layer of oxide and nitride?
Dull gray
Dark black
Bright yellow
Shiny silver
What happens when a piece of lithium metal is added to water?
It sinks to the bottom
It turns into a gas
It reacts rapidly and produces hydrogen gas
It remains unchanged
What is the color of phenalene in an acidic solution?
Red purple
Colorless
Green
Blue
What is the consistency of potassium metal when it is cut?
Fluffy and light
Hard and brittle
Cream cheese-like
Liquid-like
What happens when a piece of sodium metal is added to water?
It reacts slowly and produces oxygen gas
It turns into a gas
It reacts rapidly and produces hydrogen gas
It sinks to the bottom
What is the color of phenalene in a basic solution?
Green
Red purple
Blue
Colorless
What is the purpose of storing sodium under mineral oil?
To make it heavier
To make it conductive
To prevent reaction with oxygen in the air
To make it shiny
What is the physical property of group one metals as you go down the column on the periodic table?
They become denser
They become harder
They become softer
They become lighter
What is the product of the reaction between potassium metal and water?
Oxygen gas
Nitrogen gas
Hydrogen gas
Carbon dioxide gas
Which elements are included in Group 1 of the Periodic Table?
Lithium and Sodium
Potassium and Calcium
Calcium and Aluminium
Sodium and Magnesium
What are the physical properties of Group 1 metals?
Dull and high density
Brittle and malleable
Hard and dense
Shiny and low density
What do alkali metal compounds look like?
Stable and reactive
Usually colorful
Stable and colorless
Reactive and colorful
How are alkali metal compounds extracted from their ores?
By heating
By electrolysis
By filtration
By distillation
What happens to the rate of reaction as you go down Group 1 in the periodic table?
It decreases
It becomes unpredictable
It remains constant
It increases
Which metal can't be cut with a knife?
Sodium
Lithium
Potassium
Rubidium
Which metal reacts vigorously with water producing a lilac flame?
Lithium
Sodium
Rubidium
Potassium
Which metal is liquid on a hot day?
Lithium
Potassium
Sodium
Rubidium
Which metal causes a violent reaction with just one drop in water?
Sodium
Potassium
Rubidium
Lithium
Which metal is the easiest to cut?
Lithium
Sodium
Potassium
Rubidium
