HYDROGEN

-Atomic Number: 1
Hydrogen is the first element in the periodic table, meaning it has an atomic number of 1 or 1 proton in each hydrogen atom.


-Atomic Weight: 1.00794
This makes hydrogen the lightest element


-Hydrogen compounds commonly are called hydrides


-The physical form of hydrogen at room temperature and pressure is a colorless and odorless gas.


-Hydrogen has many uses, though most hydrogen is used for processing fossil fuels and in the production of ammonia.
-In compounds, hydrogen can take a negative charge (H-) or a positive charge (H+).


-The most common isotope of hydrogen is protium, which has 1 proton and 0 neutrons.