State in which atoms or molecules are very close together and are regularly arranged

2 answers:

7 0

Solid, because the atoms maintain their form and do not take the shape of their container. The particles share tight, close bonds due to this set shape

maw [93]3 years ago

6 0

The state in which atoms or molecules are closely packed together to the point where they are regularly arranged would be a solid.

The reason for this is because solids have a fixed shape, which explains why their molecules are regularly arranged and packed together unlike liquids and gases which have molecules that have more room to roam and are less packed.

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Nitrogen oxides play a critical role in photochemical smog. They give the smog its yellowish-brown hue. Indoor residential appliances like gas stoves and gas or wood heaters can be significant emitters of nitrogen oxides in poorly ventilated environments.

Nitrogen dioxide (NO₂), ozone (O₃), peroxyacetyl nitrate (PAN), and chemical compounds with the -CHO group are the main harmful elements of photochemical smog (aldehydes). If present in high enough amounts, PAN and aldehydes can harm plants and irritate the eyes.
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Therefore , on conclusion i.e. two gases with molecules consisting of nitrogen and oxygen atoms are nitric oxide (NO) and nitrogen dioxide (NO₂). These nitrogen oxides play a part in the development of smog and acid rain, adding to the issue of air pollution.

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