Periodic table Flashcards
What group in the periodic table react vigorously with water?
Group
Do the group 1 metals get more or less reactive as you go down the table?
More reactive
What are the group 1 metals called?
Alkali metals
What are the group 7 elements called?
Halogens
Why do the group 1 metals get more reactive?
As the electron gets further away from the nucleus, it can be lost easier and therefore is more reactive
What are the rows of the periodic table called?
Period
What changes as you go along a period?
Properties (dramatically)
How does lithium react with water?
- Slow
* Gentle bubbling
How does sodium react with water?
- More violent
* Moves around surface
How does potassium react with water?
- Very violent
- Moves around surface
- Lilac flame
Group 1 alkali metal + water ->
Metal hydroxide + hydrogen
What is the colour and state of fluorine?
Yellow Gas
What is the colour and state of chlorine?
Green Gas
What is the colour and state of bromine?
Brown Liquid
What is the colour and state of iodine?
Black Solid