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jeka57 [31]
3 years ago
9

Help please help thank you

Chemistry
1 answer:
givi [52]3 years ago
3 0

Answer:

the first one

Explanation:

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According to the electron-cloud model of the atom, an orbital is a
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Answer : Option 4) Region of the most probable electron location.


Explanation : As per the electron cloud model of the atom, an orbital is a region where the probability of finding an electron is highest. According to this model which was used to identify the probable location of the electrons when they go around the nucleus of an atom.


This electron cloud model was different from the older Bohr atomic model by Niels Bohr.

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  • Option d. i<u><em>t is higher than the energy of both reactants and products</em></u>

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<em>Activated complex</em>, also known as transition state, is the intermediate structure formed in the course of a chemical reaction.

The activated complex is very unstable and of short life: it is at the peak of the potential chemical diagram, and can transform either into the reactants (backward) or the products (forward).

The activation energy of the reaction is the energy needed to reach the activated complex, then both reactants and products are lower in potential chemical energy than the activated complex, which is what explains why the activated complex can transform into one or another, reactants or products.

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3. What are transition metals?
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to

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