C4 5.0 / 5 based on 1 ratingTeacher recommended ? ChemistryC4GCSEOCR Created by: Faith16Created on: 10-12-15 19:06 2413 Across 1. What should compounds total charge always add up to? (4) 3. What are elements held together by ionic bonding called? (5, 9) 4. What are the number of protons always equal to in a neutral atom? (6, 2, 9) Down 2. What is the practial technique used to produce line spectrums? (12)
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