Question | Answer | |||
---|---|---|---|---|
hel
|
K2
|
|||
neon
|
K2L8
|
|||
argon
|
K2L8M8
|
|||
krypton
|
K2L8M18N8
|
|||
ksenon
|
K2L8M18N18O8
|
|||
radon
|
K2L8M18N18O8P8
|