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  2. Alkali metal - Wikipedia

    en.wikipedia.org/wiki/Alkali_metal

    All the alkali metals react vigorously with oxygen at standard conditions. They form various types of oxides, such as simple oxides (containing the O 2− ion), peroxides (containing the O 2− 2 ion, where there is a single bond between the two oxygen atoms), superoxides (containing the O − 2 ion), and many others.

  3. Basic oxide - Wikipedia

    en.wikipedia.org/wiki/Basic_oxide

    A basic oxide, also called a base anhydride (meaning "base without water"), is usually formed in the reaction of oxygen with metals, especially alkali (group 1) and alkaline earth (group 2) metals. Both of these groups form ionic oxides that dissolve in water to form basic solutions of the corresponding metal hydroxide: Alkali metals (Group 1)

  4. Reactivity series - Wikipedia

    en.wikipedia.org/wiki/Reactivity_series

    The most reactive metals, such as sodium, will react with cold water to produce hydrogen and the metal hydroxide: 2 Na (s) + 2 H 2 O (l) →2 NaOH (aq) + H 2 (g) Metals in the middle of the reactivity series, such as iron , will react with acids such as sulfuric acid (but not water at normal temperatures) to give hydrogen and a metal salt ...

  5. Reactivity (chemistry) - Wikipedia

    en.wikipedia.org/wiki/Reactivity_(chemistry)

    For example, it is commonly asserted that the reactivity of alkali metals (Na, K, etc.) increases down the group in the periodic table, or that hydrogen's reactivity is evidenced by its reaction with oxygen. In fact, the rate of reaction of alkali metals (as evidenced by their reaction with water for example) is a function not only of position ...

  6. Sodium - Wikipedia

    en.wikipedia.org/wiki/Sodium

    Sodium is an alkali metal, being in group 1 of the periodic table. ... the reaction with oxygen eventually becomes slow due to formation of a protective layer. [117]

  7. List of alkali metal oxides - Wikipedia

    en.wikipedia.org/wiki/List_of_alkali_metal_oxides

    Lithium oxide (Li 2 O) is the lightest alkali metal oxide and a white solid. It melts at 1570 °C. Sodium oxide (Na 2 O) is a white solid that melts at 1132 °C and decomposes at 1950 °C. It is a component of glass. Potassium oxide (K 2 O) is a pale yellow solid that decomposes at 350 °C.

  8. Rubidium - Wikipedia

    en.wikipedia.org/wiki/Rubidium

    Rubidium is the first alkali metal in the group to have a density higher than water. On Earth, natural rubidium comprises two isotopes : 72% is a stable isotope 85 Rb, and 28% is slightly radioactive 87 Rb, with a half-life of 48.8 billion years – more than three times as long as the estimated age of the universe .

  9. List of chemistry mnemonics - Wikipedia

    en.wikipedia.org/wiki/List_of_chemistry_mnemonics

    2.5.1 Group 1 (alkali metals) 2.5.2 ... Lion Beneath the Burning Car Needs Oxygen For New ... whose oxidation number increases in a redox reaction is said to be ...