Hydrogen Atomic Number

Atomic Number of Hydrogen is 1.

Chemical symbol for Hydrogen is H. Number of protons in Hydrogen is 1. Atomic weight of Hydrogen is 1.008 u or g/mol. Melting point of Hydrogen is -259,1 °C and its the boiling point is -252,9 °C.

» Boiling Point» Melting Point» Abundant» State at STP» Discovery Year

The sum of the atomic number Z and the number of neutrons N gives the mass number A of an atom. Since protons and neutrons have approximately the same mass (and the mass of the electrons is negligible for many purposes) and the mass defect of nucleon binding is always small compared to the nucleon mass, the atomic mass of any atom, when expressed in unified atomic mass units (making a quantity. Hydrogen is a chemical element with chemical symbol H and atomic number 1. With an atomic weight of 1.00794 u, hydrogen is the lightest element on the periodic table. Its monatomic form (H) is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass.


About Hydrogen

Known as the most abundant and the lightest chemical element in our Universe, hydrogen is a type of gas without color and smell, which also has the lowest density of all gases. It is believed to be the first atom produced in our Universe after the Big Bang, and all other elements were further produced from hydrogen as a result of nuclear fusion. The name of the gas is formed from two Greek words, meaning water and forming, so this is the element which creates water. Since hydrogen is a part of water molecule, it is an absolutely essential chemical element for life, which can be found in all living bodies on our planet. It is extensively used in a large variety of industrial branches, from chemical industry (producing fertilizers, etc) to electronic (substance producing) and food industry, etc. One more very important point is: hydrogen is now seen as a source of clean eco-friendly fuel of the future, which will help the humanity to solve the problem of pollution and being gas/oil dependent.

Uses of Hydrogen

Hydrogen is mostly used in the petroleum and chemical industries. The most important use of hydrogen in the world is in ammonia manufacture for the fertilizer market. The other significant use of this chemical element is in fossil fuel processing. Today, liquid hydrogen is used as a primary fuel of the American space program by The National Aeronautics and Space Administration (NASA). Hydrogen is also used in various industrial fields such as metalworking and as a coolant in generators in power stations.

Compounds with Hydrogen

Hydrogen Atomic Number Atomic Mass

  • H2O = Water (2 hydrogen, 1 oxygen)
  • CH4 = Methane (1 carbon, 4 hydrogen)
  • NH3 = Ammonia (1 nitrogen, 3 hydrogen)
  • C6H12O6 = Glucose
  • C9H8O4 = Aspirin
  • NaHCO3 = Baking Soda
  • C2H6O = Alcohol
  • C12H22O11 = Sugar
  • CH3COCH3 = Acetone
  • C3H8 = Propane
  • C2H4O2 = Acetic Acid
  • HCI = Hydrochloric Acid
  • C6H8O6 = Ascorbic Acid
  • C3H6O3 = Lactic Acid
  • H2S = Hydrogen Sulfide
  • C2H4O2 = Vinegar
  • C2H6O = Ethanol
  • C4H10 = Butane
  • C12H22O11 = Sucrose
  • H2O2 = Hydrogen Peroxide
  • NaOH = Sodium Hydroxide
  • C6H6 = Benzene
  • C10H16O = Camphor
  • H2S = Hydrogen Sulfide
  • CH3OH = Methanol

Properties of Hydrogen Element

Atomic Number (Z)1
Atomic SymbolH
Group1
Period1
Atomic Weight1.008 u
Density0.00008988 g/cm3
Melting Point (K)14.01 K
Melting Point (℃)-259,1 °C
Boiling Point (K)20.28 K
Boiling Point (℃)-252,9 °C
Heat Capacity14.304 J/g · K
Abundance1400 mg/kg
State at STPGas
OccurrencePrimordial
DescriptionNon-metal
Electronegativity (Pauling) χ2.2
Ionization Energy (eV)13.59844
Atomic Radius25pm
Covalent Radius38pm
Van der Waals Radius120
Valence Electrons1
Year of Discovery1766
DiscovererCavendish

What is the Boiling Point of Hydrogen?

Atomic

Hydrogen boiling point is -252,9 °C. Boiling point of Hydrogen in Kelvin is 20.28 K.

Hydrogen Atomic Number Crossword

What is the Melting Point of Hydrogen?

Hydrogen melting point is -259,1 °C. Melting point of Hydrogen in Kelvin is 14.01 K.

Hydrogen

How Abundant is Hydrogen?

Hydrogen Atomic Number And Mass

Abundant value of Hydrogen is 1400 mg/kg.

What is the State of Hydrogen at Standard Temperature and Pressure (STP)?

State of Hydrogen is Gas at standard temperature and pressure at 0℃ and one atmosphere pressure.

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Hydrogen Atomic Number Number

When was Hydrogen Discovered?

Hydrogen was discovered in 1766.