group 1 of periodic table Flashcards
1
Q
are group 1 acid or alkali
A
alkali
2
Q
physical properties
A
- size - increases down group -> more shells of e
* mpt - have to break metallic bonds
3
Q
the bigger the ion is …..
A
the further away the delocalised electron are from protons
- less attraction
- weaker bond
- less energy to break
- lower mpt
4
Q
chemical properties
A
reactivity
- more reactive down group