Unit 2 Flashcards
(3 cards)
1
Q
Why are group 1 called alkali?
A
React with water to give metal hydroxide and hydrogen
2
Q
Reactivity of group 1
A
More reaction down group
Down group - boiling point decreased and density increases
3
Q
Group 1 notes / alkali
A
Can be cut by a knife
After cut = shiny = quickly returns dull (oxidises )
Stored in oil as reacts with oxygen
Once in water floats and reacts
