5.1.2.5 Group 1 Flashcards
1
Q
What are group 1 elements known as?
A
- alkali metals
2
Q
Where do the characteristics properties of group 1 metals come from?
A
- single electron in their outer shell
3
Q
How do metals react with water?
A
- vigorously
- create an alkaline solution and hydrogen
4
Q
What is the product when alkali metals react with oxygen?
A
- an oxide
5
Q
What is the product when alkali metals react with chlorine?
A
- white precipitate
6
Q
What is the rate of reactivity going down the group?
A
- it increases
7
Q
What happens when lithium reacts with oxygen?
A
- burns with a strongly red-tinged flame
- produces a white solid
8
Q
What happens when lithium reacts with water?
A
- fizzes steadily
- gradually disappears
9
Q
What happens with lithium reacts with chlorine?
A
- white powder is produced
- settles on sides of container
10
Q
What happens when sodium reacts with oxygen?
A
- strong orange flame
- produces white solid
11
Q
What happens when sodium reacts with water?
A
- fizzes rapidly
- melts into a ball
- disappears quickly
12
Q
What happens when sodium reacts with chlorine?
A
- burns with a bright yellow flame
- clouds of white powder are produced
- settle on sides of container
13
Q
What happens when potassium reacts with oxygen?
A
- large pieces produce lilac flame
- small pieces produce solid immediately
14
Q
What happens when potassium reacts with water?
A
- ignites with sparks and a lilac flame
- disappears very quickly
15
Q
What happens when potassium reacts with chlorine?
A
- reaction is more vigorous than with sodium
