what isHYDROGEN ?

HYDROGEN :

Hydrogen is the lightest and most abundant element in the universe. Here are some important notes on hydrogen:

1. Chemical symbol and atomic number: Hydrogen is represented by the chemical symbol H and has an atomic number of 1. This means it has one proton in its nucleus and one electron in its electron cloud.

2. Properties: Hydrogen is a colorless, odorless, and tasteless gas. It is highly flammable and can burn in the air or in the presence of oxygen to produce water vapor.

3. Occurrence: Hydrogen is the most abundant element in the universe, making up about 75% of its elemental mass. It is found in stars, gas giant planets, and other celestial bodies.

4. Isotopes: Hydrogen has three naturally occurring isotopes: protium, deuterium, and tritium. Protium is the most common, making up about 99.98% of all hydrogen atoms. Deuterium and tritium are heavier and are used in nuclear reactions.

5. Uses: Hydrogen has a wide range of applications, including in the production of ammonia for fertilizer, in the refining of petroleum, and in the production of methanol for use as a fuel. It is also used as a fuel for rocket engines and as a potential source of clean energy.

6. Hydrogen bonding: Hydrogen has a unique property called hydrogen bonding, which allows it to bond with other molecules such as water. This property is important in many biological processes, such as the folding of proteins and the structure of DNA.

7. Safety: Hydrogen is highly flammable and can be explosive if it comes into contact with an ignition source. As such, it must be handled with care and stored properly.

Overall, hydrogen is a versatile element with many important applications in industry and science. Its unique properties also play a key role in many biological processes.

Atomic number = 1

atomic mass 1.00794

                                                                                                                                 H has a proton.

                                                                                                                                 H has an electron.

                                                                                                                                 H doesn't have a neutron

Hydrogen forms a maximum number of compounds.

         H is the first element.

         H is the lightest element. 

Hydrogen gas is colorless, odorless, and tasteless in nature.

3 isotopes of hydrogen exist 

     

      1                   2                  3

        H                   H                 H

      1                    1                 1

  

Protium          Deuterium       Tritium

Protium is the most abundant.

Deuterium is called heavy hydrogen.

Tritium is very rare. If formed in the upper atmosphere and it is also radioactive.