metals and reactivity Flashcards
1
Q
what are native metals?
A
native metals are unreactive metals
2
Q
what are delocalised electrons?
A
an electron in an atom, ion, or molecule that is not connected to a single atom or covalent bond
3
Q
why does reactivity increase in group one
A
the electrons are further away from the nucleus so it is easier to react
4
Q
what happens when you put potassium in water
A
fizzing, lilac flame, rounds into a ball, moves around and floats
5
Q
what are alloys?
A
a alloy is a metal that has multiple elements inside
6
Q
what is ionic bonding
A
it is the transfer of electrons
7
Q
what is the most reactive metal
A
caesium
8
Q
how do you extract more reactive metals like aluminium
A
electrolysis
9
Q
A
