1st SW #1 Elements - Skyndipróf
 1. CALCIUM C Ca Cu Cl  2. COPPER C Ca Cu Cl  3. BORON B Be Bo Br  4. FLUORINE F Fl Flu Fe  5. NEON N Ne No Nn 6. An element is a Mixture Pure substance 7.Elements are represented by a chemical symbol.Symbols are written with: all lower case letters all capital letters always only one letter The first letter (of one or two letters) is capitalized  8. What is the chemical symbol for Iron? IR Ir Fe FE 9. Which of the following is NOT an example of a correctly written chemical symbol for an element? H Au Ag FE     10.Which of the following pictures looks like the structure of an element? A C B D |
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