the periodic table Flashcards
1
Q
group1
A
alkali metals
2
Q
why is group 1 called alkali metals?
A
they react with water to form alkali solution
3
Q
group1 down the group
A
reactivity increases, melting and boiling point decreases
4
Q
physical properties of group1
A
soft, low density, low melting and boiling point
5
Q
groupVII
A
halogen
6
Q
physical properties of grp VII
A
high mp/bp
7
Q
what happens to grp VII down the group
A
colour darkens, reactivity decreases, mp/bp increases
8
Q
colour of group VII elements
A
flourine: yellow (g)
chlorine: yellowish green (g)
bromine: reddish-black (l)
iodine: black (s)
