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Chemical Properties of Oxygen At standard temperature and pressure (STP), two atoms of the element bind to form dioxygen, a colorless, odorless, tasteless diatomic gas with the formula O2. Oxygen is a member of the chalcogen group on the periodic table and is a highly reactive nonmetallic element.
What are the chemical properties of oxygen?
Chemical properties of oxygen – Health effects of oxygen – Environmental effects of oxygen Atomic number 8 Electronegativity according to Pauling 3.5 Density 1.429 kg/m 3 at 20°C Melting point -219 °C Boiling point -183 °C.
What are three chemical properties oxygen?
Oxygen is a colorless, odorless, tasteless gas. It changes from a gas to a liquid at a temperature of -182.96°C (-297.33°F). The liquid formed has a slightly bluish color to it. Liquid oxygen can then be solidified or frozen at a temperature of -218.4°C (-361.2°F).
What are the chemical properties?
A chemical property is a characteristic of a particular substance that can be observed in a chemical reaction. Some major chemical properties include flammability, toxicity, heat of combustion, pH value, rate of radioactive decay, and chemical stability.
What is the chemical form of oxygen?
CHEBI:15379 – dioxygen. Oxygen is the 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, and an oxidizing agent that readily forms oxides with most elements as well as with other compounds.
What are the properties and uses of oxygen?
Oxygen is a highly reactive element, highly paramagnetic, and is easily capable of combining with other elements. One of oxygen’s most important chemical properties is that it supports combustion. Oxygen also combines with elements at room temperature, for example, the formation of rust.
What are 3 chemical properties of nitrogen?
Chemical properties of nitrogen – Health effects of nitrogen – Environmental effects of nitrogen Atomic number 7 Electronegativity according to Pauling 3.0 Density 1.25*10 – 3 g.cm – 3 at 20°C Melting point -210 °C Boiling point -195.8 °C.
What are 5 chemical properties?
Examples of chemical properties include flammability, toxicity, acidity, reactivity (many types), and heat of combustion.
Is oxygen a physical or chemical property?
oxygen (O), nonmetallic chemical element of Group 16 (VIa, or the oxygen group) of the periodic table.
Why is oxygen very reactive?
Oxygen Exhibits High Reactivity Due to its electronegativity, oxygen forms stable chemical bonds with almost all elements to give the corresponding oxides. The combination of water and oxygen is even more corrosive. Virtually all elements burn in an atmosphere of oxygen or an oxygen-rich environment.
What is a chemical property simple definition?
: a property of a substance relating to its chemical reactivity (as the explosive property of nitroglycerin).
How do you identify a chemical property?
A chemical property describes the ability of a substance to undergo a specific chemical change. To identify a chemical property, we look for a chemical change. A chemical change always produces one or more types of matter that differ from the matter present before the change.
Is melting a chemical property?
Characteristics such as melting point, boiling point, density, solubility, color, odor, etc. are physical properties. Properties that describe how a substance changes identity to produce a new substance are chemical properties.
Who invented oxygen?
Joseph Priestley (1733-1804) — Unitarian minister, teacher, author, and natural philosopher — was the Earl of Shelburne’s librarian and tutor to his sons. In this room, then a working laboratory, Priestley pursued his investigations of gases. On 1 August 1774 he discovered oxygen.
What is the chemical symbol of nitrogen?
Nitrogen is an element with atomic symbol N, atomic number 7, and atomic weight 14.01. Nitrogen appears as a colorless odorless gas.
What is the mass of oxygen?
15.999 u.
What is the important property of oxygen?
Oxygen is a strong oxidizing agent and has the second-highest electronegativity of all reactive elements, second only to fluorine. The solubility of oxygen in water is temperature-dependent; it condenses at 90.20 K and freezes at 54.36 K.
What is the application of oxygen?
Some of the major applications of oxygen include the following: It is used in oxy-acetylene torch for cutting and welding metals. It is used to remove carbon impurities from the steel during steel production. A mixture of liquid oxygen and powdered charcoal is used as an explosive.
What is the main uses of oxygen?
Common uses of oxygen include production of steel, plastics and textiles, brazing, welding and cutting of steels and other metals, rocket propellant, oxygen therapy, and life support systems in aircraft, submarines, spaceflight and diving.
Why is nitrogen a chemical property?
Nitrogen is a chemical element with symbol N and atomic number 7. Elemental nitrogen is a colorless, odorless, tasteless, and mostly inert diatomic gas at standard conditions, constituting 78.09 percent of Earth’s atmosphere by volume.
What are the anomalous properties of nitrogen?
Anomalous Properties of Nitrogen Exceptionally small atomic size. High electronegativity. High ionisation enthalpy. Absence of d-orbitals in its valence shell.
What are 5 uses of nitrogen?
The chemical industry uses this gas in the production of fertilizers, nylon, nitric acid, dyes, medicines, and explosives. Here are the five applications of nitrogen in everyday life.
What are three chemical properties soil?
Chemical Analysis. Soil chemical properties, including heavy metal concentrations, pH, total carbon, total nitrogen, CEC, exchangeable calcium (Ca), magnesium (Mg) and potassium (K), exchangeable Al and hydrogen (H) and available phosphorous (P), were determined following standard laboratory methods.
Which is a chemical property of matter?
Chemical properties are properties that can be measured or observed only when matter undergoes a change to become an entirely different kind of matter. They include reactivity, flammability, and the ability to rust. Reactivity is the ability of matter to react chemically with other substances.
Is freezing water a chemical property?
All properties of matter are either extensive or intensive and either physical or chemical. For example, the freezing point of a substance is a physical property: when water freezes, it’s still water (H2O)—it’s just in a different physical state.
What are the chemical properties of water?
Hydrolysis reaction Properties Chemical formula H 2 O Molar mass 18.01528(33) g/mol Odour None Density Solid: 0.9167 g/ml at 0 °C Liquid: 0.961893 g/mL at 95 °C 0.9970474 g/mL at 25 °C 0.9998396 g/mL at 0 °C.
What are Sodiums properties?
It’s a soft metal, reactive and with a low melting point, with a relative density of 0,97 at 20ºC (68ºF). From the commercial point of view, sodium is the most important of all the alkaline metals. Sodium reacts quickly with water, and also with snow and ice, to produce sodium hydroxide and hydrogen.
What is the color of oxygen?
We’re observers, however, so the real trick is how oxygen gets us to pretty colors. (Actually, though it’s a colorless gas, oxygen liquefies into an attractive blue fluid.) In its gaseous form, oxygen usually doesn’t glow.
