Group Number: 16. Oxygen has an atomic number of 8. For example, if an atom has 9 protons, it will no longer be oxygen, but will instead be Fluorine. It is a member of the chalcogen group on the periodic table, a highly reactive nonmetal, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds. The properties of the diatomic form suggest that six electrons bond the atoms and two electrons remain unpaired, accounting for the paramagnetism of oxygen. The chemical symbol for Oxygen is O. Are you looking for the right answer? 17778-80-2. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Oxygen has two allotropic forms, diatomic (O 2) and triatomic (O 3, ozone). Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Atomic Number: 8. Oxygen (after hydrogen and helium) is the third most abundant element in the universe. After hydrogen and helium it is the third most abundant element in the universe. Molecular Formula. It is typically located as a subscript to the left of the element symbol. The three atoms in the ozone molecule do not lie along a straight line. Our team found this clue in LA Times Daily Crossword and gave the correct solution. 8 O Oxygen 15.9994. Monooxygen. Its symbol is O. For example, if the symbol is written as 14 6 C, the number "6" is listed. Atomic oxygen. What's in a name? Element Classification: Non-metal. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. 16.999 131 757(5) [0.000 367, 0.000 400] 18O. Atomic Weight: 15.9994. All Crossword lover knows that this is a free daily crossword puzzles. So for an atom to be known as an oxygen atom, it must have 8 protons. Oxygen Oxygen is a chemical element with symbol O and atomic number 8. However,two other scales have been used commonly: (1) in … Relative isotope-ratio measurements of oxygen in water and many other substances commonly are expressedrelative to VSMOW reference material, in which case the δ18O value of VSMOW is 0 ‰ by definition. Group Name: Chalcogen. Classified as a nonmetal, Oxygen is a gas at room temperature. The atomic number is the smaller of the two numbers in the symbol. Its atomic number is 8 and indicated by the symbol O. In the periodic table of elements, oxygen is a p-block element and it belongs to group 16 and period 2. Period Number: 2. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Oxygen is atomic number 8 and atomic weight 15.999. Given an atomic number (Z) and mass number (A), you can find the number of protons, neutrons, and electrons in a neutral atom. Melting Point: 54.36 K (-218.79°C or -361.82°F) Boiling Point: 90.20 K (-182.95°C or -297.31°F) Density: 0.001429 grams per cubic centimeter. 17.999 159 613(5) [0.001 87, 0.002 22] Two major sources of oxygen are air and water. This popular publisher name is Los Angeles Times, if we say the full name. 17O. O. Synonyms. We solved this Oxygen's atomic number crossword clue. Photooxygen. Oxygen, atomic. In gaseous appearance, it is colorless and in the liquid and solid state, it is pale blue in color. The atomic number of carbon is 6. Element Oxygen (O), Group 16, Atomic Number 8, p-block, Mass 15.999. Phase at Room Temperature: Gas. More commonly, the isotope symbol already tells you the atomic number. For example, a lithium atom (Z=3, A=7 amu) contains three protons (found from Z), three electrons (as the number of protons is equal to the number of electrons in an atom), and four neutrons (7 – 3 = 4). The chemical element oxygen is a highly reactive non-metal. 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