Which 2 planets in our solar system have nearly the same chemical make up as the sun?
Jupiter and Saturn
Talc (magnesium silicate)
Dry ice is the solid form of which molecule?
carbon dioxide (CO2).
Moon
Marie Curie won a Nobel prize in Chemistry for discovering which elements?
Radium and Polodium
What is the most common element in Pluto's atmosphere?
Nitrogen (>99%)
The red colour in blood comes from the molecule complex haemoglobin. Lobsters have haemocyanin instead. So what colour is their blood?
Blue
Mars is red because its surface contains a lot of which element?
Iron
Zirconium come from the Arabic word zarkûn which is derived from the Persian word zargûn. What does zarkûn and zargûn mean?
Gold-like
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.
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
The rarest naturally occurring element in the Earth's crust may be astatine. The entire crust appears to contain how many grams?
28 grams
Dihydrogen monoxide is another name for which molecule?
water (H2O)
Mercury has the symbol Hg, which is from the Latin word hydrargyrum (hydor and argyros). Hydrargyrum means what?
Water- silver
What symbol are hypothetical, undiscovered elements given until they are discovered?
Ubn
What is the only element that can't be frozen and atmospheric pressures?
Hellium
The element Cobalt was named from the German word 'Kobold'. Kobold means what?
Goblin
The only metals that are liquid at room temperature is Mercury. Which metal will melt if you hold a lump in your hand?
Gallium
Uranium is named after the planet Uranus. Uranus comes from Greek via Latin and means what?
Sky
What can't a new element be named after?
A living person
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.
The human body contains enough carbon to provide "lead" for how many pencils?
9000
Should you trust an atom?
Never, they make up everything
Carbon come from the French word charbone, which in turn came from Latin carbō. What does charbone mean?
Charcoal
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