A GCSE Chemistry worksheet on SOME BASIC CHEMICAL IDEAS

Site Meter* Do online, OR print out, do, return to CHECK * GCSE links: Notes on basic ideas on atoms, elements, compounds, formula * AQA * CCEA * Edexcel * OCR 21stC * OCR Gateway * WJEC * EMAIL comment?query * updated May 21st 2009 (c) Doc Brown *

   atoms      bonds      compound      electrons      elements      formula      groups      nucleus      properties      sharing      symbols      transferring   
ptableGIFmini.gifAll substances are made of basic particles called . Substances that are made of only one sort of atom are called . The periodic table is laid out so that vertical columns of elements with similar form so-called of like elements.

atom06.gifAtoms have small central around which there are moving . When atoms react, new chemical are formed that hold the atoms together. Bonds are formed by atoms (giving or losing/taking or gaining, ) or electrons. In a chemical elements are represented by chemical . When different elements chemically combine together a is formed.

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