mon express £1000

[jomoby]

12a derived si unit of electrical capacitance equal to one coulomb per volt (5)
17a practice or philosophy of going naked especially for reasons of health (6)
23a the _ isle informal nickname for the australian state of tasmania (5)
27a most common basic pattern of a human fingerprint formed by several u-shaped ridges classified as radiall or ulnar(4)
20d aquatic larva of a dragonfly damselfly mayfly or stonefly(5)
14d second longest river in italy after the po rising in the rhaetian alps and flowing generally south east to the adriatic(5)
18d new prime minister of the solomon islands elected on august 24th 2010 (5,6)
thanks in advance

[jake-the-peg]

12a Farad

[squarebear]

17a nudism
23a apple
27a loop
20d naiad
14d adige
18d Danny Philip

(would have been better in Quizzes & Puzzles rather than science)

[jomoby]

sorry squarebear must have hit wrong key thanks anyway jomoby