In comparison to the other elements in the group, it has a small size and high ionization energy, which accounts for this. Beryllium (Be) is the only alkaline earth metal that does not react with water, unlike the other alkaline earth elements. In the presence of water vapor, magnesium (Mg) interacts with it to generate magnesium hydroxide and hydrogen gas. Following is a representation of the general reaction of calcium, strontium, and barium with water the letter M denotes the element represented by calcium, strontium, or barium: In spite of the fact that the hydroxides of the elements calcium, strontium, and barium are only marginally soluble in water, enough hydroxide ions are created to create a basic environment. They are classified into two groups.When treated with water, the bulk of Alkaline Earth Metals also form hydroxides as a byproduct. This is due to the fact that enough heat is generated during the exothermic process to induce the H 2 to ignite (g). Group 1 elements are referred to as alkali metals because of their propensity to displace hydrogen ions (H 2(g)) from water and produce an alkaline solution.Īside from this, alkali metals are also known to react aggressively and explosively when in contact with water. ![]() It is clear from this reaction that OH- is created, resulting in the formation of a basic or alkaline environment. The general reaction of an alkali metal (M) with H 2O (l) is represented by the equation below: It occurs in this situation that the Group 1 metal is oxidized to generate its metal ion, and that water is reduced to form hydrogen gas and hydroxide ions. This is reflected in the enormous, negative electrode potentials that they have. Group 1 Consists Of Alkali MetalsĪn important property shared by the majority of alkali metals is their capacity to displace H 2(g) from water. Without water, life on Earth may not have been able to exist, and it would almost certainly not have had the incredible complexity and diversity that we witness today. ![]() ![]() The properties of water include expanding when frozen, having high surface tension (because of the polar nature of the molecules, they tend to cling together), and many more characteristics. Water, despite its seeming simplicity, possesses surprising qualities. Water is essentially two hydrogen atoms and one oxygen atom linked together in a liquid state.
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