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100

Atomic number of gold.

79

100

Who discovered X-rays?

Wilhelm Conrad Röntgen

100

The force that keeps us on the ground.

Gravity

100

What two elements compound table salt?

Sodium chloride (NaCl)

100

Chemical process where a substance loses electrons, often when reacting with oxygen.

Oxidation

200

Where's the occipucium?

It is located at the lower back part of the head. It is where the occipital bone is found, connecting to the spine and playing a crucial role in supporting the brain and allowing head movement.


200

What did Marie Curie discover?

Marie Curie discovered polonium and radium.

200

How many chromosomes do people have?

46

200

Disease that affects how your body uses sugar (glucose) for energy.

Diabetes

200

Gas necessary for plants to breathe.

CO₂ (Carbon dioxide)

300

Why is blood red?

Because of a protein called hemoglobin, which contains iron.

300

What's a shiitake?

A shiitake is a type of edible mushroom.

300

What's a tetraplegic?

A person who has paralysis in all four limbs

300

A tiny infectious particle that needs a living cell to survive and multiply. It invades cells, takes over their machinery, and forces them to make more of it.

Virus

300

Substance that hair and nails are mede of.

Keratine

400

Distance from the Milky Way to Andromeda.

 2.5 million light-years apart.

400

What's the periodic table?

The periodic table is a chart that organizes all known chemical elements based on their properties. It arranges elements by atomic number.

400

Scientific name of the brain.

Encephalon

400

What happens if you drink 6 lts of chlorine?

You die

400

Type of electric energy that produces lightnings.

Static electricity

500

What do you usually get with fermented milk?

Yogurt

500

What's normally inside a thermometer?

Traditional liquid-in-glass thermometers use mercury.

500

How many bones do people have?

206

500

What element was the main component of the lethal "Mustard gas"?

Sulfur

500

The type of acid that is in your stomach.

Hydrochloric acid (HCl)

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