sequences

[bodyboarder]

all the following are sequences.. can u help me identify the next item in each one :
red,yellow,green,brown,blue,pink,?
1, 18, 4, 13, 6, ?
B,C,N,O,F,Ne,Na,?
T,N,E,S,S,F,?
Z,X,C,V,B,N,?
If you come up with any answers an explanation would be appreciated ... thank you

[WessexGirl]

Black (snooker balls)
?
?
F (Ten, Nine, Eight etc)
?

[novalis]

black - snooker ball sequence
10? - dartboard numbers going clockwise
Mg - periodic table

M - bottom line of keyboard

[bodyboarder]

thank you so much .. simple when you know isn't it !! still don't understand the keyboard one tho ... but know nothing abt them ... once again thankyou

[squarebear]

look at the bottom line of your keyboard with the Z on the left. It's those letters zxcvbnm,./

[bodyboarder]

thank you so much .. simple when you know isn't it !! still don't understand the keyboard one tho ... but know nothing abt
them ... once again thankyou ......... oh just realised.... typewrite keyboard ... thought u meant musical one ... time for my medication i think