Halogens Flashcards
In what group are halogens (in a periodic table)?
7
What happens to halogens as you go down the periodic table ? Why ?
Halogens become less reactive
The further away from the nucleus, the less the outer shell wants to gain its last electron (it’s like it isn’t bothered)
- have a large atomic radius
Give me 5 examples of elements in group 7.
Fluorine
Chlorine
Bromine
Iodine
Astatine
What are the elements in group 7 called ?
Halogens
What happens to the melting and boiling point of halogens as you go down the periodic table?
Increases
What is chlorine at a room temperature ?
Reactive
Poisonous
Dense Green gas
What is bromine at a room temperature?
Poisonous
Orange liquid
What is iodine at a room temperature ?
Dark grey crystalline solid
What is reduction ?
The gain of electrons
What is oxidation?
The loss of an electron
How to halogens form salt?
Reacting with alkali metals
What are the salts from the mixture of alkali metals and halogens called?
Metal halides
