Oxygen is a chemical element with the symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal. Oxygen sensor · Category:Oxygen · Oxygen plant · Dark oxygen

29 мар. 2021 г. · Answer. Yes cause, A pure chemical substance is any matter that has a fixed chemical composition and characteristic properties. Oxygen, for ...

24 авг. 2015 г. · Oxygen is typically a gas as found in nature. However, by cooling it to under -183 deg C (-297.4 Fahrenheit), it will become a condensate or ...

Oxygen is a pure substance. It's an element, represented by the symbol O on the periodic table. Its atomic mass is 15.99 AMU. It's not a mixture.

Oxygen is a chemical element with symbol O and atomic number 8. Classified as a nonmetal, Oxygen is a gas at room temperature.

Oxygen is a chemical element with an atomic number of 8 (it has eight protons in its nucleus). Oxygen forms a molecule (O2) of two atoms which is a colorless ...

24 янв. 2019 г. · Oxygen is a chemical element – a substance that contains only one type of atom. Its official chemical symbol is O, and its atomic number is 8, ...

Oxygen is a non-metal element that is a gas at room temperature. Its molecules contain two oxygen atoms. Oxygen is vital for respiration, which is the ...

Oxygen is a colourless, odourless, tasteless gas essential to living organisms, being taken up by animals, which convert it to carbon dioxide. Liquid oxygen · Oxygen-16 · Oxygen-18 · Oxygen-17