<p>Leaning Group Autism Course Workbook 1 and 2 anwers to booklets.</p>

<p>OCR A Level Chemistry AS Atomic Mass<br /> Spec Point :<br /> OCRModule 2 – Foundations in<br /> chemistry - 2.1.1.c Atomic Mass</p> <p>Relative mass<br /> © explanation of the terms relative isotopic mass<br /> (mass compared with 1/12th mass of carbon-12)<br /> and relative atomic mass (weighted mean mass<br /> compared with 1/12th mass of carbon-12), based<br /> on the mass of a 12C atom, the standard for<br /> atomic masses</p>

<p>Spec Point :<br /> OCRModule 2 – Foundations in<br /> chemistry - 2.1 Atomic struture</p>