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guajiro [1.7K]
3 years ago
12

What is the process of discovery that allows us to link abservations with actual facts?

Chemistry
1 answer:
MaRussiya [10]3 years ago
5 0
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The alkali earth metal beryllium (Be) engages in a chemical reaction and loses all of its valence electrons.
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The loss of electron from an results in the formation of cation represented by the positive charge on the element whereas gaining of electron results in the formation of anion represented by the negative charge on the element.

The alkali earth metal beryllium (Be) belongs to the second group of the periodic table. The ground state electronic configuration of Be is:1s^{2}2s^{2}

From the electronic configuration it is clear that it has 2 valence electrons in its valence shell (2s^{2}).

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1s^{2}2s^{0}

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