physical properties of oxygen family

Physical Properties Oxygen exists in all three forms - liquid, solid, and gas. Photosynthesis uses energy from the sun to split water into oxygen and hydrogen. Group 16: General Properties and Reactions The oxygen family, also called the chalcogens, consists of the elements found in Group 16 of the periodic table and is considered among the main group elements. Oxygen first appeared in the Earth’s atmosphere around 2 billion years ago, accumulating from the photosynthesis of blue-green algae. The elements tend to form covalent compounds, though tin and lead also form ionic compounds. The oxygen family consists of the elements that make up group 16 on the periodic table: oxygen, sulfur, selenium, tellurium, and polonium. The elements oxygen (O), sulphur (S), selenium (Se), tellurium (Te) and polonium (Po) constitute group 16 elements of the periodic table. These can be found in nature in both free and combined states. they exist naturally in various mineral salts in […] Physical properties of Carbon Family (1) Non-metallic nature : The non-metallic nature decreases along the group. The liquid and solid forms are a pale blue colour. Physical and Chemical Properties of Group 17 Elements Group 17 Elements: The Halogens The elements in Group 17 are: Fluorine Chlorine Bromine Iodine Astatine These elements are known as halogens. Physical state and molecular structure of oxygen family - definition The elements of oxygen family have six electrons in the valence shell. The chemically uncharacterized synthetic element livermorium (Lv) is predicted to be a chalcogen as well. The elemental structure is a cubic crystal shape. Oxygen is known to react with other atoms, and works to form rust through oxidization. These elements all have six electrons in their outermost energy level, accounting for some common chemical properties among them. The first four elements of this group are collectively known as chalcogens (meaning ore forming elements) because […] However, oxygen gas is colourless, odourless, and tasteless. The most common substances, such as oxygen, are states, matter, solids, liquids, gases, and plasma. Oxygen: The chemical configuration of oxygen is 1s 2 2s 2 2p 4. These are named as oxygen family after the name of the first member of the group. It is also the least dense at 0.00143 g/cm 3. The chalcogens (/ ˈ k æ l k ə dʒ ɪ n z /) are the chemical elements in group 16 of the periodic table.This group is also known as the oxygen family.It consists of the elements oxygen (O), sulfur (S), selenium (Se), tellurium (Te), and the radioactive element polonium (Po). C Si Ge Sn Pb ... CO 2 petroleum and natural gas Silicon is the second most abundant element after oxygen in earth’s crust in form of silicates and silica. Physical and Chemical Properties of Chalcogens. The carbon family elements have widely variable physical and chemical properties. Except for lead, all of the carbon family elements exist as different forms or allotropes. The oxygen passes into the atmosphere and the hydrogen joins with carbon dioxide to produce biomass. The chemical and physical properties of oxygen make it different from other elements. (b) This is because halogens are reactive non-metals. Physical Properties of the Chalcogens Atomic/Ionic Radii of the Chalcogens. (a) Halogen is a Greek word which means salt-former’. It consists of the elements oxygen, sulfur, selenium, tellurium and polonium. The atomic radii or the ionic radii of elements increases while progressing down a group. See the article on Oxygen Element for additional information and facts about this substance. The chalcogen with the lowest atomic radius and ionic radius is oxygen, whereas the chalcogen with the largest atomic/ionic radius (excluding livermorium) is polonium. 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