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Dahasolnce [82]
3 years ago
5

Which example is NOT a model?

Chemistry
2 answers:
lidiya [134]3 years ago
7 0

Answer:

B

Explanation:

i think leter B it because

jeka57 [31]3 years ago
6 0
Plastic skeleton atom made of fruit
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Describe the physical and chemical weathering​
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Answer:

Physical weathering is caused by purely mechanical changes to the rock, while chemical weathering is caused by chemical reactions.

Explanation:

Chemical weathering happens when the chemicals get diluted and dissolved in water and seep and percolate down the rock surfaces.

Physical weathering happens when rocks are fragmented into minor fragments while ensuring no alterations in their chemical makeup. The main causes behind physical weathering include spontaneous fluctuations in temperature like too high or too low heat or cold

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B) Symmetrical and nonpolar  

Step-by-step explanation:

The formula is H-C≡C-H.

Each C atom has <em>two</em> electron regions, so VSEPR theory predicts a <em>linear molecular geometry</em> (see image below).

The molecule is symmetrical, because the green line divides the molecule into two halves that are mirror images of each other.

The C-H bonds are slightly polar, because C is more electronegative than H (µ ≈ 0.4 D).

The C atoms are partially negative (red), while the H atoms are partially positive (blue).

However, the two C-H bond dipoles point in <em>opposite directions</em>, so they cancel each other. The molecule has <em>no net dipole moment.</em>

Acetylene is nonpolar.

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3 years ago
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What is the atomicity of carbon monoxide
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I believe the answer is two

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Describe the relationship between soil formation and climate ?
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Which particle determines the nuclear charge?
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the same chemical element is characterized by the number of protons in the nucleus that determines the total positive charge.

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