Slides in this set
Elements in the same group have the same number of
electrons in the outer shell.
This also corresponds to their group number.
All metals in group 1 have 1 electron in their outer
All of the elements in the same group have similar
properties. This is called PERIODICITY.
For example: Group 1 metals are all...
2) Can be easily cut with a knife
3) React with water…read more
Group 1 The Alkali Metals
Density increases as you go down the group
Reactivity increases as you go down the group this
is because the electrons are further away from the
nucleus and so any extra electrons aren't attracted as
They all react with water to form an alkali…read more