Lithium
Sodium
Potassium
General
Other
100
True or False: Lithium is dense enough to sink in water.
False (It floats).
100
What is the chemical symbol for Sodium?
Na.
100
What is the chemical symbol for Potassium?
K.
100
Name all Alkali metals
Lithium, Potassium, Sodium, Rubidium, Caesium, Francium
100
In the game Minecraft, what block is required to build a Nether Portal?
Obsidian.
200
In medicine, Lithium is used to treat which mental health condition?
Bipolar disorder.
200
Sodium vapor lamps produce light of what color?
Bright yellow-orange.
200
What distinctive color is the flame when Potassium reacts with water?
Lilac (Purple).
200
How many electrons are in the outermost shell of every alkali metal?
Exactly one (1).
200
What does the astronaut lose in flight?
Weight.
300
How does Lithium react when placed in water?
It fizzes steadily and floats (does not explode).
300
Describe the shape Sodium takes when it reacts with water.
It melts into a silver ball.
300
Potassium compounds (Potash) are a primary ingredient in what agricultural product?
Fertilizers.
300
Where must pure alkali metals be stored to prevent reaction with air?
Submerged in mineral oil (or kerosene).
300
A hedgehog has 4g, a dog has 100g, a horse has 500g, an elephant has 4-5kg, and a human has 1.4kg. What is it?
The Brain (or Brain Mass)
400
Lithium is part of the "s-block" celebrities. What is the family nickname for Group 1 elements?
The Lithium Family.
400
High intake of Sodium combined with low Potassium is a risk factor for what?
Hypertension (High blood pressure).
400
Using Potassium-enriched salt significantly reduces the risk of what disease?
Cardiovascular disease.
400
What happens if you hold a vial of Caesium in your hand?
It melts (Melting point is 28.4°C).
400
Name the character from movie (very popular)
hans landa
500
Replacing regular salt with Potassium-enriched salt helps, but what risk does Lithium help manage in medicine?
Mood stabilization (It is a mood stabilizer).
500
Why does Sodium light penetrate fog and mist effectively?
Because of its efficient bright yellow-orange wavelength.
500
Compared to Sodium, is Potassium MORE or LESS reactive with water?
More reactive (It ignites immediately).
500
What color does the solution turn when alkali metals are dissolved in liquid ammonia?
Deep blue.
500
Two men played checkers. Both of them played 5 games and won 5 times. How? Is it possible?
They both played other games with other people.