Welcome to the 1520 Perfect Dictionary
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| Transition metal | |
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| TRANSITION METAL Definition: (chemistry) One of the group of metals in the centre of the periodic table (= a list of all the chemical elements) which form coloured compounds and often act as catalysts (= substances that make chemical reactions happen faster). ____________________________________ NOT APPLICABLE. See perfect metal. See perfect catalyst. _____ See perfect experiment (1). _____ See perfect reaction (6). See perfect substance (1). | |
1520 Products |
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1520 Products was established in 2005 with the purpose of entertaining and teaching us on key and important aspects of life (such as marriage, sex, etc) through the playing of games which will allow us to laugh but at the same time pass a message of what is the right or ideal way. |
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 1520 Sex Game |
 1520 Puzzles |
 1520 Marriage Game |