Whether you commit to the full weekend or just one day, either way, you do not want to miss out on the epic glory of this stellar line-up. Check out our coverage of Rock the Lake 2016, to see what those of you have tickets are in for.
Part 3. Survey of Period 1: hydrogen H to helium He. Period 1, the shortest period of the periodic table, only consists of two elements, hydrogen and helium. Although the properties of helium match those of the other Noble Gases, hydrogen does not really fit into any group. A brief summary of their properties is given below.
Answer Wiki. Hydrogen was the lifting gas they had, most helium available at the time was hoarded by the US for use in their airships. Additionally by the time of the Hindenburg hydrogen had been in use in German Zeppelins for over two decades and crews were well aware of the dangers hydrogen posed and knew to be vigilant for hydrogen leaks.