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Aleonysh [2.5K]
4 years ago
5

It is important to pick up waste from your pet because _____.

Chemistry
2 answers:
Mrrafil [7]4 years ago
8 0

Answer:

4. Bacteria in waste decreases the amount of oxygen in water

Explanation:

Hello,

As long as the wastes have bacteria and they could affect aquatic organism, this is done because they decreases the amount of oxygen in water due to the fact that aerobic bacteria use oxygen like us to produce the required energy to live and to perform their metabolic processes as well.

Best regards.

emmainna [20.7K]4 years ago
4 0
I believe its 1 hope this helps <span />
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Write electron configurations for each of the following. the cations: Mg2+,Sn2+,K+,Al3+,Tl+,As3+
Eddi Din [679]

Answer:

  • Mg⁺² ⇒ 1s² 2s² 2p⁶
  • Sn²⁺ ⇒ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰
  • K⁺ ⇒ 1s² 2s² 2p⁶ 3s² 3p⁶
  • Al³⁺ ⇒ 1s² 2s² 2p⁶
  • Ti⁺ ⇒ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 6s² 5d¹⁰
  • As⁺³ ⇒ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

Explanation:

The <em>electron configuration</em> indicates the way the electrons of an atom or ion are structured.<u> In the case of cations</u>, by knowing the electronic configuration of the atom (which is neutral), we can find out the cations' configuration by substracting <em>n</em> outermost electrons, where <em>n</em> is the charge of the cation.

Mg⁰ ⇒ [Ne] 3s² = 1s² 2s² 2p⁶ 3s². Thus

Mg⁺² ⇒ [Ne] = 1s² 2s² 2p⁶.

In a similar fashion, the answers are:

Sn²⁺ ⇒ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰

K⁺ ⇒ 1s² 2s² 2p⁶ 3s² 3p⁶

Al³⁺ ⇒ 1s² 2s² 2p⁶

Ti⁺ ⇒ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s² 3d¹⁰ 4p⁶ 5s² 4d¹⁰ 5p⁶ 4f¹⁴ 6s² 5d¹⁰

As⁺³ ⇒ 1s² 2s² 2p⁶ 3s² 3p⁶ 4s²

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3 years ago
In one meter there are how many milimeters?
Anastasy [175]
In one meter, there is 10000 milimeters. Just multiply however many meters you have by 10000, and youll have your answer.
~Silver
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3 years ago
How can you tell if a compound is a solid, liquid, gas, or aqeous.
Andre45 [30]
<span>aqueous is the colorful one</span>

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3 years ago
Blank measurements are useful for determining buoyancy and identifying relationships between substances.
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I choose the letter c witch is density I believe that it’s useful for determining identifying relationships between substances
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3 years ago
WE NAME BRAINLIEST PLZZ HELP
Wittaler [7]

Answer:

The answer is a I think

Explanation:

I think this because it has all of the shapes that are included in the other ones

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