Chemistry C1.1 0.0 / 5 ? ChemistryFundamental IdeasGCSEAQA Created by: emily13566Created on: 18-12-16 16:37 Explain how so many substances can be made... Atoms can be combined in a huge variety of ways 1 of 9 What's it called when different elements join to form a substance? A compound 2 of 9 What is the charge of the particles in the atom? Protons=+1, Neutons=0, Electrons=-1 3 of 9 What's the overall charge on an atom? Explain... It's 0 as there are same number of protons and electrons so cancel each other out 4 of 9 What can be worked out if we are given the atomic number and mass number? No. Protons (atomic No.), No. Electrons (electrons=protons), No. Neutrons (mass no.-atomic no.) 5 of 9 What does each shell represent? Different energy levels 6 of 9 How do metals bond with non-metals? By transferring electrons to another 7 of 9 What are the atoms called once they've received or given away electrons? What's special about them? Ions and they're charged 8 of 9 What's a precipitate? A solid suspended in a solution 9 of 9
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