With a standard atomic weight of circa 1.008, hydrogen is the lightest element on the periodic table. 1 1) antimony tribromide _SbBr3_ 2) hexaboron silicide _B6S_ 3) chlorine dioxide _ClO2_ 4) iodic acid _HIO3_ 5) iodine pentafluoride _IF5_ 6) dinitrogen trioxide _N2O3_ 7) ammonia _NH3_ 8) hypophosphorous acid _H3PO2_ ANSWERSĢ 9) P4S5 _tertaphosphorous pentasilicide_ 10) O2 _oxygen_ 11) HNO4 _pernitric acid_ 12) Si2Br6 _disilicon hexabromide_ 13) SCl4 _silicon tertachloride_ 14) CH4 _carbon tetrahydride_(methane)_ 15) H2SO3 _sulfurous acid_ 16) NF3 _nitrogen trifluoride_ ANSWERSĤ Molecular Structures Ball and Stick model Stick Model Space Fillingĥ Structural Formula H2SO4 NH3 Water CH4 O H N H H O S O H H H H O HĦ H2SO4 NH3 O H O S O H H N H H Water CH4 H H C H H O H Lewis StructureĬ4H8O2 Predict Atom locations H is always terminal Lowest Electronegativity is central atom H O 3.44 C 2. Hydrogen is a chemical element with atomic number 1 which means there are 1 protons and 1 electrons in the atomic structure.
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