chem revision 0.0 / 5 ? ChemistryThe Periodic TableGCSEOCR Created by: kaur234Created on: 06-01-18 19:52 What are isotopes? Different forms of the same element, which have the same number of protons but a different number of neutrons. 1 of 6 What are molecules made up of? Two or more atoms joined together. 2 of 6 Which groups on the periodic table are most likely to form ions? 1,2,6,7 3 of 6 What are some of the typical properties of ionic compounds? - High melting and boiling points. - Don't conduct electricity. -Dissolve easily in water. 4 of 6 Why are metals generous and why are non metals greedy. & what ions do they form? Metals give away electrons to form positively charged ions and non metals take electrons to form negatively charged ions. 5 of 6 What type of atoms combine together to form covalent bonds? Non metals. 6 of 6
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