Hydrogen molecule, illustration. Hydrogen molecules consist of two hydrogen atoms bonded covalently. Hydrogen atoms are the smallest in the periodic table, consisting of a single proton and single electron. Hydrogen is the most abundant element in the universe. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Kightley, Russell |
Taille de l’image : | 5192 px × 5192 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
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