C1 Atomic Structure And Periodic Table Flashcards
1
Q
What did Mendeleev find out when organising the elements in the periodic table?
A
That the elements had a pattern of chemical properties that repeated at regular intervals
2
Q
What happens to the reactivity as you go down group 1?
A
It increases
3
Q
Why are elements in group 0 unreactive?
A
Because they have full outer shells so it is very difficult to lose an electron
4
Q
What colour are halide salts?
A
Colourless
5
Q
What colour is bromine water
A
Orange
6
Q
What colour is chlorine water?
A
Colourless
7
Q
What colour is iodine water?
A
Brown
