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  1. ... of the equation. It is always good to balance oxygens and hydrogens last, because they are so common and present in many different compounds...

    1 Answers · Education & Reference · 16/07/2011

  2. Comes from Potenz plus H for hydrogen. numbered from 1 to 14 with 7 being neutral. Less than seven...

    2 Answers · Education & Reference · 14/04/2011

  3. ...of Electrons: Same as protons, unless it's an ion. Hydrogen- Symbol: H Standard Atomic Notation: again...

    1 Answers · Education & Reference · 07/01/2013

  4. ...: each row is a period going from period 1 (which is just hydrogen) to period 6 -alkali metals the first two groups are...

    2 Answers · Education & Reference · 24/01/2009

  5. ...instead of H2S or other compounds as a source of electrons and hydrogen for fixing CO2 . They were able to synthesize organic ...

    3 Answers · Education & Reference · 15/05/2011

  6. ...basic part shows how many C atoms there are and how many hydrogen atoms you can attach to each carbon atom. Alkanes have only single-...

    1 Answers · Education & Reference · 19/06/2007

  7. Element - Hydrogen Molecule - water (looks like mickey mouse)

    3 Answers · Education & Reference · 13/04/2011

  8. ... contains two elements H2O. two atoms of hydrogen and one atom of oxygen. Table Salt is NaCl. One...

    2 Answers · Education & Reference · 21/09/2007

  9. You have to do this yourself. Look in the book and find the chart that gives the charges for metals and poly atomic ions. Also check and see how to write organic formulas. The hint here is that "tetra" refers to a...

    2 Answers · Education & Reference · 24/06/2012

  10. ... to the floor. It doesn't rise and blow away into the atmosphere like hydrogen would, instead it stays where it is in the house, esp if the doors...

    2 Answers · Education & Reference · 31/10/2007

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