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  1. Oxygen is an important element that is needed by most life forms on Earth to survive. It is the third most abundant element in the universe and the most abundant element in the human body. Oxygen has 8 electrons and 8 protons. It is located at the top of column 16 in the periodic table. The oxygen cycle plays an important role in life on Earth.

  2. oxygen. View article for: Kids. Students. Scholars. Oxygen is a chemical element. Scientists use symbols to stand for the chemical elements. The periodic table of elements is a system for arranging the chemical elements. It contains squares, like the one above, with information about each element.

  3. 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 process that transforms energy from...

  4. Oxygen is a period 2 chemical element, which is the second row on the periodic table. Oxygen is a group 16 chemical element, which is the chalcogen group. Oxygen has three stable isotopes and they are 16 O, 17 O and 18 O.

  5. 5 dni temu · Oxygen is part of the chalcogen group on the periodic table, and its atomic number is 8. It is a very reactive nonmetal. It also makes oxides with many elements. Oxides make up nearly half of the Earth's crust. Most life on Earth takes in oxygen gas (O 2) to use in respiration.

  6. 21 mar 2023 · Chalcogens, commonly referred to as the Oxygen Group or Group 16, are a group of chemical elements on the periodic table that share distinctive properties because of their valence electron configuration.

  7. 21 maj 2015 · Oxygen is the eighth element of the periodic table. It is atomic number 8 with element symbol O. Oxygen is best known as the element we need in order to breathe, but it has many other interesting properties.

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