Welcome to the 1520 Perfect Dictionary
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| Isotope | |
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| ISOTOPE Definition: (physics, chemistry) One of two or more forms of a chemical element which have the same number of protons but a different number of neutrons in their atoms. They have different physical properties (= characteristics) but the same chemical ones. ___________________________________ WHICHEVER ... See perfect element (4). See perfect form (1). _____ See perfect comparison (1). _____ See perfect similarity (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 |