Question

define this all useless answers will be report​

Answer 1

Hydrogen :-

A colourless, odourless, highly flammable gas, the chemical element of atomic number 1.

Oxygen :-

Oxygen is a gas and is one of the components of air. All living things require oxygen for breathing. Oxygen helps in burning the food we eat and releasing the energy stored in it.

Helium :-

Helium is a chemical element with symbol He and atomic number 2. It is a colourless, odourless, tasteless, non-toxic, inert, monatomic gas, the first in the noble gas group in the periodic table. Its boiling point is the lowest among all the elements.

Nitrogen :-

Nitrogen is a chemical element with symbol N and atomic number 7. Elemental nitrogen is a colorless, odorless, tasteless, and mostly inert diatomic gas at standard conditions, constituting 78.09% by volume of Earth's atmosphere.

Carbon :-

Carbon is a non-volatile element placed in fourth group in periodic table. Its atomic number is 6 and atomic mass is 12. Its shows tetra-valency and catenation due to which it exist in nature in many different forms like hydrocarbons, graphite, diamond, fossil fuel, fullerene, and many more useful forms.

Neon :-

Neon is a chemical element with symbol

Ne and atomic number 10. It is a group of

18 noble gases in the periodic table.

 

Methane :-

Methane gas is a colorless, odorless and flammable gas . It is the main constituent of the natural gas. Its formula is CH4. It is a green house gas. It is produced by the decomposition of the organic materials,such as wood and dead animals.

Ethane :-

Ethane is a chemical compound with chemical formula C2H6. It is the only two-carbon alkane that is an aliphatic hydrocarbon. At standard temperature and pressure, ethane is a colorless, odorless gas.

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