Elements Flashcards
What is the definition of an element? Give an example.
It is a substance made from only one type of atom - Carbon contains only carbon atoms.
What are elements most commonly described as?
The building blocks of all substances.
How many elements are there?
There are over 112 known elements.
What is the periodic table?
Each element has its very own unique chemical symbol. They are arranged in a specific order known as the Periodic Table.
Describe Hydrogen.
H, non-metal, gas
Describe Carbon.
C, non-metal, solid
Describe Oxygen.
O, non-metal, gas
Describe Magnesium.
Mg, metal, solid.
Describe Phosphorus
P, non-metal, solid.
Describe iron.
Fe, metal, solid.
Describe Copper.
Cu, metal, solid.
What gas was used to make the Hindenburg burn rapidly and it is the fuel source from the sun?
Hydrogen.
What element used to be known as quicksilver and it is a liquid at room temperature?
Mercury.
What metal is the Earth’s core made out of any rocks with this iron are described as “ferrous”?
Iron.
What element means “hidden” in Greek?
Krypton.