b)Elemental boron (as a gas) is produced in one industrial process by heating diboron trioxide with magnesium metal, also produc
1 answer:
<u>Answer:</u> The unbalanced chemical equation is written below.
<u>Explanation:</u>
Unbalanced chemical equation does not follow law of conservation of mass.
In an unbalanced chemical equation, total number of individual atoms on the reactant side will not be equal to the total number of individual atoms on the product side.
The chemical equation for the reaction of diboron trioxide and magnesium metal follows:
Hence, the unbalanced chemical equation is written above.
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Answer:
B.They all have their valence electrons in the same type of subshell
Explanation:
- The electron configurations of elements in the same group (column) of the periodic table have them in the same type of subshell.
- But the subshells may be of different shells. Thus , the energies of them need not be the same.
- For example , The Alkalai Metals are found in the first column of the periodic table Group IA. This set of elements all have valence electrons in only the '
' orbital and because they are in the first column they all have
configuration. i.e,
- H
- Li
- Na
- K