Flashcards
atoms part 1
Cards in this deck (6)
- 1Atomthe smallest particle of a chemical element that can exist.
- 2ElementAn element is a substance that is made of only one sort of atom. There are about 100 different elements. These are shown in the periodic table
- 3Periodic table
- 4Reading the periodic table
- 5Metals and Non-metalsThe metals are shown on the left of the periodic table, and the non-metals are shown on the right. The dividing line between metals and non-metals is shown in red on the table below
- 6chemical symbolsThis symbol tells you that the chlorine atom has 17 protons. It will also have 17 electrons, because the number of protons and electrons in an atom is the same.To work out the number of neutrons subtract the mass number from the atomic number
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- GCSE Science (chemistry) Flashcards on atoms part 1, created by s.ghillean on 23/02/2014.
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