Y8 - The Periodic Table Flashcards
What is an element?
A substance made of only one type of atom
What is a group on the periodic table?
A column
What is a period on the periodic table?
A row
What are the alkali metals?
Group 1, the most reactive elements
What are the alkaline earth metals?
Group 2, the second most reactive elements
What are halogens?
Group 7, the second least reactive elements
What are noble gases?
Group 0, the least reactive elements
What are transition metals?
Transition metals are elements without a group
What is the periodic table?
A database of all elements currently discovered
What do you get with a metal and an acid?
A metal salt and hydrogen
What do you get with a metal and water?
A metal hydroxide and hydrogen gas
What do you get with a metal and oxygen?
A metal oxide
What is a displacement reaction?
A displacement reaction is where a metal which is more reactive replaces a metal which is less reactive in a compound
What is a metal ore?
A metal ore is a rock with metal in it
How are metals extracted from ores?
If in a compound it is either extracted by a displacement reaction with carbon or if carbon won’t displace it you use electrolyosis
