Out there
Wonderfully weird
Chemistry know how
Periodic table
What's in a name
100

Which 2 planets in our solar system have nearly the same chemical make up as the sun?

Jupiter and Saturn

100
The hardest known material on Earth is diamond. What is the softest?

Talc (magnesium silicate)

100

Dry ice is the solid form of which molecule?

carbon dioxide (CO2).

100
Selenium comes from the Greek work Selene. Selene mean what? 

Moon

100

Marie Curie won a Nobel prize in Chemistry for discovering which elements?

Radium and Polodium

200

What is the most common element in Pluto's atmosphere?

Nitrogen (>99%)

200

The red colour in blood comes from the molecule complex haemoglobin. Lobsters have haemocyanin instead. So what colour is their blood?

Blue

200

Mars is red because its surface contains a lot of which element?

Iron

200

Zirconium come from the Arabic word zarkûn which is  derived from the Persian word zargûn. What does zarkûn and zargûn mean?

Gold-like

200

There was once an element called Didymium (Di). It was removed from the periodic table for what reason?

It was actually two elements- praseodymium and neodymium.

300

The planet 55 Cancri e has a chemical composition that includes a high abundance of carbon. The carbon on this planet takes on mostly which 2 forms?

Carbon and Graphite

300

The rarest naturally occurring element in the Earth's crust may be astatine. The entire crust appears to contain how many grams?

28 grams


300

Dihydrogen monoxide is another name for which molecule?

water (H2O)

300

Mercury has the symbol Hg, which is from the Latin word hydrargyrum (hydor and argyros). Hydrargyrum means what? 

Water- silver

300

What symbol are hypothetical, undiscovered elements given until they are discovered?

Ubn

400

What is the only element that can't be frozen and atmospheric pressures?

Hellium

400

The element Cobalt was named from the German word 'Kobold'.  Kobold means what?

Goblin

400

The only metals that are liquid at room temperature is Mercury. Which metal will melt if you hold a lump in your hand?

Gallium

400

Uranium is named after the planet Uranus. Uranus comes from Greek via Latin and means what?

Sky

400

What can't a new element be named after?

A living person

500

S-type asteroids carry little water but are more attractive because they contain numerous metals. Name 2 metals that we would want to mine from an asteroid.

Nickel, cobalt, and more valuable metals, such as gold, platinum, and rhodium.

500

The human body contains enough carbon to provide "lead" for how many pencils?

9000

500

Should you trust an atom?

Never, they make up everything

500

Carbon come from the French word charbone, which in turn came from Latin carbō. What does charbone mean?

Charcoal

500

According the IUPAC guidelines, new elements are supposed to be named based on a similar substance, a place name, a scientist or what?


Mythological character