The reaction forms calcium hydroxide, Ca(OH) 2 and hydrogen gas (H 2). The presence of a calcium ion in the inorganic active site of the complex that produces oxygen is particularly puzzling, because the reaction is a redox process involving the transfer of multiple electrons, whereas calcium is redox inactive (it cannot transfer electrons under biological conditions). Formation of simple oxides. The elements of Group 2 are beryllium, magnesium, calcium, strontium, barium, and radioactive radium. Alkaline earth metals also react with oxygen, though not as rapidly as Group 1 metals; these reactions also require heating. For the best answers, search on this site https://shorturl.im/awpBG. Noncombustible Solid, but will support combustion by liberation of oxygen. It explains why it is difficult to observe many tidy patterns. The usual reaction product from a reaction between calcium and oxygen has the formula CaO and therefore contains one atom of each element per molecule. The reaction between strontium and nitrogen gas (which has the formula N2) produces strontium nitride, which has the formula Sr3N2. The Facts. Reactions with Group 2 Elements. Combination of Calcium to other chemical: Calcium + chlorine= CaCl2 Calcium + Phosphorus=Ca3P2 Calcium phosphide Calcium + Oxygen + Silicon=CaSiO3 They called as Calsium Silicate Bromine = Br2, with a charge of 1-, since it tends to gain one electron when it reacts (it is also a diatomic molecule, so it forms in pairs of atoms, hence the subscript 2). Word Equation: Calcium + Bromine >>>> Calcium bromide The mechanism of oxygen production in photosynthesis remains unresolved, despite many studies. Calcium reacts slowly with water. Reaction of calcium with water. Incompatibilities & Reactivities Water (liberates heat), fluorine, ethanol [Note: Reacts with water to form calcium hydroxide.] The balanced equation is: 3Sr + N2 -> Sr3N2. This is in contrast with magnesium, immediately above calcium in the periodic table, which is virtually unreactive with cold water. Calcium (Ca) is a metal element located in group 2 of the periodic table, and oxygen (O) is a nonmetal element located in group 16. Similarly to Group 1 oxides, most group 2 oxides and hydroxides are only slightly soluble in water and form basic, or alkaline solutions. Hi, the answer you are looking for is 2Ca + O2 --> 2CaO. The reactions with oxygen. Calcium = Ca, with a charge of 2+, since it tends to lose two electrons when it reacts. Part of NCSSM CORE collection: This video shows the reaction of Ca metal with oxygen. Reaction of Calcium with Oxygen Calcium metal slowly oxidizes in air, becoming encrusted with white \(CaO\) and \(CaCO_3\), which protect from attack by air. This page looks at the reactions of the Group 2 elements - beryllium, magnesium, calcium, strontium and barium - with air or oxygen. 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