Periodic table Flashcards
What are the columns called?
Groups.
What are the rows called?
Periods.
What are the properties of metal vs non-metals?
NON-MELTALS METALS
poor conductor of electricity good conductor of electricity
dull shiny
low density high density
poor conductor of heat good conductor of heat
not sonorous sonorous
brittle marreable
What do we call group 1?
Alkali Metals.
What is the trend in reactivity?
The reactivity increases as you go down the group.
How do they react with H2o?
They react quite violently and explosive.
What do we call group 7?
The Halogens.
What is the trend in reactivity?
The reactivity decreases as you go down the group.
What is a displacement reaction?
It is the one where the atom or a set of atoms is displaced by another atom in a molecule.
What do we call group 0?
The noble gases.