noble gases Flashcards

1
Q

what colour are noble gases

A

colourless

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

why don’t noble gases react much at all

A

because they have a full outer shell so they don’t easy give up or gain electrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

since noble gases are inert they’re non flammable. true or false?

A

true

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

3 properties of helium

A

1) very low density
2) used in balloons e.g party
3) non flammable = safe

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

3 properties of neon

A

1) gives off bright light when current passed through
2) used in bright signs
3) used in lazers

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

3 properties of argon

A

1) unreactive
2) used in light bulbs
3) protects metals being welded

How well did you know this?
1
Not at all
2
3
4
5
Perfectly