14 апр. 2022 г. · Oxygen is an element, which means it is also a pure substance, but it is not a compound because it is made of only one kind of atom.

5 сент. 2017 г. · Oxygen is not a mixture. It is part of the mixture that we breathe in called 'air'. Oxygen constitutes 20% of the Earth's atmosphere.

21 янв. 2018 г. · Being a basic chemical element, oxygen is not a mixture. It is part of the mixture that we breathe in called 'air'.

11 окт. 2017 г. · Oxygen is an element but not a compound, nor a mixture. Elements are substances made of atoms with the same atomic number.

13 нояб. 2016 г. · Oxygen is an element,but its not a Compound. It has the atomic number eight. Oxygen is found in two common forms, oxygen gas and in air.

1 авг. 2015 г. · Oxygen gas (O₂) is considered an element. While it consists of molecules, each containing two oxygen atoms, these atoms are of the same element.

30 сент. 2018 г. · Being a basic chemical element, oxygen is not a mixture. It is part of the mixture that we breathe in called 'air'. Oxygen constitutes 20% of ...

18 мар. 2022 г. · Oxygen in the atmosphere is a molecule because it contains molecular bonds. It is not a compound because it is made from atoms of only one ...

17 июн. 2021 г. · O2 is not a mixture. Air is a mixture, composed primarily of O2 and N2. A mixture is two or more substances which are combined together. Ethanol ...

10 окт. 2019 г. · Pure air is a homogeneous mixture made primarily of nitrogen and oxygen. Its elements are not readily separated or distinguished from one ...