C1 - Atoms, Molecules and Compounds 0.0 / 5 ? ChemistryAtoms and compoundsGCSEOCR Created by: RachelcfxCreated on: 03-05-16 14:03 Atoms have a ____ ____ with ____ ____. Positive Nucleus, Orbiting Electrons. 1 of 16 Atoms have a positively charged ____ and ____ that are ____ ____. nucleus, electrons, negatively charged. 2 of 16 Atoms can form bonds to make... Molecules or Compounds. 3 of 16 IONS Charged atoms. 4 of 16 What happens if a positive ion and negative ion meet? They attract eachother and join together. 5 of 16 COVALENT BOND Atoms in a covalent bond SHARE A PAIR OF ELECTRONS. 6 of 16 What does a molecular formula show? The number and type of atoms in a molecule. 7 of 16 What does a displayed formula show? Atoms and covalent bonds in a molecule as a picture. 8 of 16 What is the formula for CARBON DIOXIDE? CO2. 9 of 16 What is the formula for HYDROGEN? H2. 10 of 16 What is the formula for WATER? H2O. 11 of 16 What is the formula for HYDROCHLORIC ACID? HCl 12 of 16 What is the formula for CARBON MONOXIDE? CO 13 of 16 What is the formula for OXYGEN? O2 14 of 16 What is the formula for SODIUM CARBONATE? Na2CO3. 15 of 16 What is the formula for SULFURIC ACID? H2SO4. 16 of 16
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