Sgiliau Hanfodol ar gyfer TGAU Cemeg (Essential Skills for GCSE Chemistry: Welsh-language edition)

This book is the Welsh Language Edition.

Build essential maths, literacy and working scientifically skills to boost marks in GCSE Chemistry and ensure that students reach their full potential.

Suitable for all specifications, this skills book provides additional support and will help to:

- Sharpen mathematical skills with plenty of practice questions and coverage of all the maths techniques needed fo...