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  1. Oct 10, 2023 · Four of the six group 2 elements—magnesium (Mg), calcium (Ca), strontium (Sr), and barium (Ba)—were first isolated in the early 19th century by Sir Humphry Davy, using a technique similar to the one he used to obtain the first alkali metals.

  2. All elements in Group 2 (also called alkali earth metals) have two electrons in their outermost principal quantum shell; All Group 2 metals can form ionic compounds in which they donate these two outermost electrons (so they act as reducing agents) to become an ion with +2 charge (so they themselves become oxidised)

  3. Jun 20, 2024 · Study with Quizlet and memorise flashcards containing terms like What is the reactivity of Group 2 elements?, What is the ionisation energy of Group 2 elements?, Are Group 2 elements strong reducing agents? and others.

  4. Jul 12, 2023 · Four of the six group 2 elements—magnesium (Mg), calcium (Ca), strontium (Sr), and barium (Ba)—were first isolated in the early 19th century by Sir Humphry Davy, using a technique similar to the one he used to obtain the first alkali metals.

  5. Jun 30, 2023 · This page explores the trends in some atomic and physical properties of the Group 2 elements: beryllium, magnesium, calcium, strontium and barium. Sections below cover the trends in atomic radius, first ionization energy, electronegativity, and physical properties.

  6. 5 min read. Group 2, The Alkaline Earth Metals (A-Level Chemistry) Introduction to Group 2 Elements. Group 2, The Alkaline Earth Metals. Group 2 elements are collectively known as the Alkaline Earth Metals. The outer shell of group 2 elements contains two electrons and is therefore represented by the sub shell s2.

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  8. Dec 6, 2019 · Group 2 elements are called alkaline metals because they form alkaline solutions, hydroxides, when reacting with water and their oxides are found in the earth’s crust. ALKALINE METALS. They have low electron affinity. Group 1 metals are less reactive than group 2 metals. Its valence shell contains 2 electrons; They have low electronegativity

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