Our team found this clue in LA Times Daily Crossword and gave the correct solution. Oxygen, atomic. 17778-80-2. 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. This popular publisher name is Los Angeles Times, if we say the full name. What's in a name? The chemical symbol for Oxygen is O. Oxygen is atomic number 8 and atomic weight 15.999. Its symbol is O. It is typically located as a subscript to the left of the element symbol. 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 Number: 16. For example, if an atom has 9 protons, it will no longer be oxygen, but will instead be Fluorine. So for an atom to be known as an oxygen atom, it must have 8 protons. The atomic number of carbon is 6. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. Element Classification: Non-metal. Monooxygen. For example, if the symbol is written as 14 6 C, the number "6" is listed. Group Name: Chalcogen. Oxygen Oxygen is a chemical element with symbol O and atomic number 8. 16.999 131 757(5) [0.000 367, 0.000 400] 18O. We solved this Oxygen's atomic number crossword clue. Classified as a nonmetal, Oxygen is a gas at room temperature. Given an atomic number (Z) and mass number (A), you can find the number of protons, neutrons, and electrons in a neutral atom. All Crossword lover knows that this is a free daily crossword puzzles. 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 atomic number is the smaller of the two numbers in the symbol. Are you looking for the right answer? The chemical element oxygen is a highly reactive non-metal. Oxygen (after hydrogen and helium) is the third most abundant element in the universe. Its atomic number is 8 and indicated by the symbol O. 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). Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. Element Oxygen (O), Group 16, Atomic Number 8, p-block, Mass 15.999. Atomic Number: 8. 17.999 159 613(5) [0.001 87, 0.002 22] Two major sources of oxygen are air and water. 17O. However,two other scales have been used commonly: (1) in … Period Number: 2. 8 O Oxygen 15.9994. Photooxygen. O. Synonyms. Molecular Formula. After hydrogen and helium it is the third most abundant element in the universe. 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. In gaseous appearance, it is colorless and in the liquid and solid state, it is pale blue in color. Oxygen is a chemical element with atomic number 8 which means there are 8 protons and 8 electrons in the atomic structure. Oxygen has two allotropic forms, diatomic (O 2) and triatomic (O 3, ozone). Atomic Weight: 15.9994. In the periodic table of elements, oxygen is a p-block element and it belongs to group 16 and period 2. Oxygen has an atomic number of 8. Atomic oxygen. Oxygen is a colourless, odourless reactive gas, the chemical element of atomic number 8 and the life-supporting component of the air. More commonly, the isotope symbol already tells you the atomic number. The three atoms in the ozone molecule do not lie along a straight line. Phase at Room Temperature: Gas. 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