09876

Popular questions and responses by 09876
  1. Chemistry

    what was the last element that was discovered to be part of the human body?

    asked on September 11, 2012
  2. Chemistry

    Does Air Have Hydrogen as one of its components? i think it is but with a very low amount ... i need explanation please why or how? since hydrogen is flammable nd all!!

    asked on September 6, 2012