Question

triad formed by alkaline Earth metal​

Answer 1

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In 1817, a letter reported Johann Wolfgang Döbereiner's observations of the alkaline earths; namely, that strontium had properties that were intermediate to those of calcium and barium. By 1829, Döbereiner had found other groups of three elements (hence "triads") whose physical properties were similarly related

✨Pℒℤ ℳᎯℛᏦ ℐᏆ ᎯЅ ℬℛᎯℐℕℒℐℰЅᏆ ᎯℕЅᏇℰℛ✨

Answer 2

Answer:

all the alkaline earth metals have two electrons in their valence shell so they loose electrons to form cations. they react with halogens to form ionic alkaline earth metal.

Explanation:

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