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cadereymer24
22.12.2021 •
Chemistry
People use hot air balloons to rise high above the ground and be pushed by air currents from one place to another.
The diagram shows a hot air balloon. A type of chemical reaction, called
combustion, takes place between propane and oxygen in the burners.
Describe a likely result of this chemical reaction that allows a hot air balloon to rise.
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Ответ:
Option (A) is the correct answer.
Explanation:
Transition elements are the elements that have incompletely filled d-orbitals. Their general electronic configuration is ns (n-1)d.
For example, Ti has atomic number 22 and its electronic configuration is
.
Due to similar energies in ns and (n-1)d orbitals electrons can be easily transferred. This causes transition metals to show variable oxidation states.
Thus, we can conclude that it is true regarding the transition elements that multiple oxidation states resulting from the involvement of d electrons in bonding is a characteristic of transition elements.