Extractit Metals And Equkibria Flashcards
How metals react with acid tell you what :
Their reactivity
What’s tests the reactivity of metals
Squeaky pop test
What’s does Metal + water =
Hydroxide + hydrogen
What’s does less reactive metals only react with ?
Steam
If something gains oxygen what happens to it ?
It oxidised
What do more reactive metals do to less reactive
Displace them
What is recycling metals important
- saves resources and energy
- Protects the environment
- It’s good for the environment
Life cycle assessment
- Chose of material
- Manufacturer
- Product use
- Disposal
What’s can reversible reactions do ?
Go backwards and forwards
What’s are group 1 metals known as
Alkali metals
How reactive metals are group 1 metals
Group 1 metals are very reactive
Reactions with cold water produce =
Hydroxide and hydrogen gas
What is group 7
Halogens
How many electrons are there in the group 7 outer shells
7 electrons
How can you test for chlorine in a solution
Using Damp litmus paper