Hydrogen is the first element in the periodic table and the first element in Group 1 of the table. It has an atomic number of 1, an atomic mass of 1.00794, and a chemical symbol of H. Hydrogen is a colorless, odorless, tasteless gas with a density of...

Hydrogen is the first element on the periodic table of elements. It is a colorless, odorless gas, and is denoted by the atomic symbol H. It has an atomic number of 1 and an atomic weight of 1.0079. Hydrogen is the source of most of the energy radiated...

The lightest of all chemical elements, hydrogen has a density about one-fourteenth that of air. It has a number of special chemical and physical properties. For example, hydrogen has the second lowest boiling and freezing points of all elements. The...

The simplest element. Atomic number of 1. Hydrogen gas has a specific gravity of 0.694 (air=1), so it is much lighter than air. Hydrogen is highly flammable, forming water upon combustion. Explosive limit is 4 to...

Hydrogen (pronounced /ˈhaɪdrədʒən/), is the chemical element represented by the symbol H and an atomic number of 1. At standard temperature and pressure it is a colourless, odorless, nonmetallic, tasteless, highly flammable diatomic gas...

Fueling the future There is growing confidence among many energy experts that hydrogen (H^sub 2^) has the potential to become an important energy system for the 21st century. In today's system, electricity serves as an energy carrier. Electricity is made by the...

When President Bush announced in his 2003 State of the Union speech that he was committing more than $1 billion to boost research into using hydrogen to power cars to reduce America's dependence on foreign oil while also improving the environment, many people were...

The city of Las Vegas got a little greener this month when it incorporated two hydrogen-powered buses into its downtown fleet.The buses, which will be used on the route to and from the Las Vegas Premium Outlets, were leased through a public-private partnership with Ford...

Nissan Motor Co. announced plans Monday to launch a next-generation fuel cell vehicle in the early 2010s in Japan and North America as part of its mid-term environmental strategy.Nissan Chief Operating Officer Toshiyuki Shiga said at a Tokyo press conference outlining the company's "Nissan Green...