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Examen
ocr as level June 2022 marksheme Chemistry B Paper 2 Chemistry In_depth
OCR Chemistry
OCR Chemistry
ocr as level June 2022 marksheme Chemistry B Paper 2 Chemistry In_depth
Davieacademia
$10.49
Examen
AS level OCR Chemistry 2023 Questions and Answers Latest Update
OCR Chemistry
OCR Chemistry
Questions And Answers
Brilliantgrades
$10.49
Examen
As Level Ocr Chemistry 2023 Best Review Mark Scheme
OCR CHEMISTRY
OCR CHEMISTRY
Questions And Answers
DYNAMICSCORES
$11.49
Examen
OCR GCE Chemistry A H432/01: Periodic table, elements and physical chemistry Advanced GCE Mark Scheme for June 2019
OCR chemistry
OCR chemistry
s-block AND highest energy or outer electron is in a s orbital or s sub–shell 1 1.1 ALLOW ‘outer’ or ‘valence’ for ‘highest energy’ IGNORE electron configurations DO NOT ALLOW s shell / energy level (b) FIRST CHECK THE ANSWER ON ANSWER LINE If answer = 25.982 award 2 marks 78.99 × 23.985 + 10.00 × 24.986 + 11.01 × m 100 = 24.305 Relative isotopic mass = 25.982 (must be 5 SF) 2 2.2 ×2 ALLOW any correct rearrangement of this sum for first mark eg 11.01 x...
TopGradess
$14.49