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Tems11 [23]
3 years ago
6

what is the most likely source of the increase in carbon dioxide in the atmosphere shown in the graph above. Please Help ASAP!!!

Biology
1 answer:
TiliK225 [7]3 years ago
5 0

Answer:

The use of fossil fuel over the years in both transportation (cars and trucks) and industrial factories.

Explanation:

The burning of fossil fuels result in an increase of carbon dioxide because it is the product of the chemical reaction.

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An atom of lithium (Li) forms an ionic bond with an atom of chlorine (Cl) to form lithium chloride. How are the valence electron
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<u>Answer: </u>The correct statement is electrons are transferred from the lithium atom to the chlorine atom.

<u>Explanation:</u>

Ionic bond is formed when there is complete transfer of electrons from one atom to another atom. The atom which donates electron is known as electropositive atom and the atom which accepts electron is known as electronegative atom.

Lithium is the 3rd element of the periodic table with electronic configuration 1s^22s^1

This atom can loose 1 electron and form Li^+ ion.

Chlorine is the 17th element of the periodic table with electronic configuration [Ne]3s^22p^5

This atom can gain 1 electron and form Cl^- ion.

Hence, n electron is transferred from lithium to chlorine atom which results in the formation of ionic bond.

Thus, the correct statement is electrons are transferred from the lithium atom to the chlorine atom.

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