1.By : Mahmoud Galal Zidanchemistry Department2. INDEXIntroductionPhysical propertiesChemical ReactionsApplications 3. Group 3A or called the boron group comprising :1-…
1. 24 Ways to Naturally Increase Your Testosterone Levels Primal Naturalist 2. 1. High Intensity Exercise Hit the gym. Do dips off the end of your bed. Tear through your…
Slide 1Periodic Table Web Elements Web Elements Slide 2 Hydrogen Hydrogen was discovered by Henry Cavendish at 1766 in London, England. Origin of name: from the Greek words…
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Slide 1 The Elements Hydrogen - Calcium Slide 2 Hydrogen The most abundant element in the universe. It is the fuel that burns in stars. It is the simplest element. Hydrogen…
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