Yr8-Miss HW Spr Flashcards
Element
1 type of atom
Group
Downward elements that have a certain amount of electrons around the nucleus
Period
A period is from left to right, electrons increasing in order
Alkali metals
Metals that have 1 electron around the nucleus
Alkaline metals
2 electrons around the nucleus
Halogens
Elements that have an atom with 7 electrons around it
Noble gases
They have a full set of electrons
Transition metals
Metals that aren’t fully metals
Periodic table
A table of elements that lists electrons, periods and rows
Metal+acid
Salt + hydrogen
Hydrochloric-chloride
Nitric-nitrate
Sulphuric-sulphate
Eg.
Zinc +sulphuric acid ->zinc sulphate +hydrogen
Metal +water
Metal + water = metal hydroxide +hydrogen gas
Metals + oxygen
Metal oxide
Displacement reactions
How metal acids will displace each other according to the reactivity series.
Magnesium+zinc nitrate= magnesium nitrate+zinc
Metal ore
A metal that is found in the earth’s crust and is mixed with rock or a gas
Metals extracted from ores
Electrolysis, hydrogen and copper