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jeka57 [31]
3 years ago
7

7 Scientists feel that human activity has affected and possibly altered the natural process of the carbon dioxide-oxygen cycle t

hat nature had previously kept in balance. In recent his OW have humans added to the carbon dioxide-oxygen cycle? 5.3(D) CA Releasing massive amounts of oxygen B Preventing heat from escaping Earth O Burning fossil fuels. like coal and oil D Rapid growth of plant producing farms

Chemistry
1 answer:
GalinKa [24]3 years ago
5 0

NO WE DONT PLANTS DO


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A Solution is a mixture of two or more substances_____
Ipatiy [6.2K]

Answer:

In the same phase

Explanation:

Because when you make a solution you have to keep them in the same phase or you will oof.

4 0
3 years ago
In a pure metal, the electrons can be thought of as [ Select ] throughout the metal. Using molecular orbital theory, there [ Sel
Phoenix [80]

Answer:

Explanation:

In a pure metal, the electrons can be thought of as [concentrated] around atoms throughout the metal. Using molecular orbital theory, there [is ] an energy gap between the filled molecular orbitals and empty molecular orbitals. The [antibonding] orbitals are typically higher in energy and are mostly (filled]

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3 years ago
What are the representative elements usually called
antiseptic1488 [7]

Answer:

There are two sets of groups in the periodic table. The first set are Group A elements and are also known as representative elements. The second set are Group B elements and are also known as transition metals. Representative elements are the most abundant elements on earth.

4 0
3 years ago
Is Kl covalent or ionic?
kotegsom [21]
I believe that the answer is ionic
3 0
3 years ago
Given following electron configurations, 1s22s22p63s23p64s23d104p65s24d9 and 1s22s22p63s23p64s23d104p65s14d10.
marusya05 [52]

Explanations:- Part 1: We could count the total number of electrons by looking at the electron configurations. Both of these electrons configurations have 47 electrons. If we look at the periodic table then 47 is the atomic number of silver. So, the name of the element is silver and its represented as Ag.

Part 2: As per the rule, Completely filled and half filled orbitals are more stable. First electron configuration has 9 electrons in 4d and we know that d is more stable if it has 5 electrons(half filled) or it has 10 electrons(full filled).

For stability reasons, one of the electron from 5s goes to 4d and for this reason the second electron configuration is found most often in nature for silver.

Few other examples are Cr and Cu.

8 0
3 years ago
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