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Gnesinka [82]
3 years ago
12

When lake or ocean waters are anoxic, it means that they __________.

Chemistry
2 answers:
ArbitrLikvidat [17]3 years ago
8 0

Answer: C

Explanation:

Greeley [361]3 years ago
6 0

Answer:

C

Explanation:

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What is responsible for the larger size of an anion in comparison with the atom from which it is form?
GarryVolchara [31]

Answer:

electron-electron repulsion

Explanation:

When electrons add into valence shell of neutral elements, the element assumes a negative oxidation state. With this, the number of electrons having (-) charges will be larger than the number of protons having positive (+) charges. As a result, the extra electrons repel one another (i.e., like charges repel) and a larger radius is the result.  

In contrast, when cations are formed, electrons are removed from the valence level (oxidation) producing an element having a greater number of protons than electrons. The larger number of protons will function to attract the electron cloud with a greater force that results in a contraction of atomic radius and a smaller spherical volume than the neutral unionized element.    

To visualize, see attached chart that shows atomic and ionic radii before and after ionization of the elements.  

Download pdf
4 0
3 years ago
How many blizzards are in 13m?
muminat
What do you mean by that? Can you explain further?
7 0
3 years ago
Why does nitrogen have stronger attractive forces between its nucleus and valence electrons than phosphorus?
timofeeve [1]

Answer:

Nitrogen atom is small in size than phosphorus thus the bond between its nucleus and valence electrons are stronger than phosphorus.

Hope it helps...。◕‿◕。

3 0
3 years ago
Mexico City has an elevation of 7400 ft above sea level. Its normal atmospheric pressure is 589 mm Hg. At what temperature does
IRISSAK [1]
Given that the volume and amount  of water are kept constant,
P/T = constant
P₁/T₁ = P₂/T₂
Normal atmospheric pressure is 746 mmHg and normal boiling point of water is 100 °C.
746/100 = 589/T₂
T₂ = 79.0 °C
5 0
3 years ago
Can someone answer dis:
SVEN [57.7K]

Answer:

If we subtract the atomic number from the atomic mass: atomic mass - atomic number = number of protons + number of neutrons - number of protons. Thus we get the number of neutrons present in an atom when we subtract the atomic number from the atomic mass.

Explanation: hope this helps???

7 0
3 years ago
Read 2 more answers
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