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Nikolay [14]
3 years ago
9

Describe the properties of noble gases. Based on their electronic arrangement, explain whether they can exist alone in nature.

Chemistry
1 answer:
Marizza181 [45]3 years ago
3 0

The properties of noble gases include:

  • They are nonreactive
  • They have hight ionisation energy
  • They have low boiling point
  • They conduct electricity at low pressure.

The noble gases are those elements that makes up the group 18 of the periodic table.

They are non as the inert gases because they are relatively nonreactive.

According to the electronic arrangement, which is according to how the electrons are arranged on their shells, they can exist alone.

The noble gases are nonreactive, have high ionisation energy and low boiling point because in its electronic arrangement, the outer shell is completely full.

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Answer:

true

Explanation:

True - Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.

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What is the best way to organize desert several several million different types of organisms on earth
SCORPION-xisa [38]

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The desert should be divided into different types based on its properties. The organisms living in specific type of desert should be named accordingly.

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There are usually five major types of desert in the world. Tropical, rainy, semi arid desert, coastal desert and dry desert. There are many different types of organisms living in these deserts. The biodiversity has made it difficult for the humans to analyse and identify the millions of different types. The best way is to organize and name the organisms that live in specific types of deserts.

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What's the difference between the structure of table salt and table sugar?
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Table salt is a simple crystal of sodium chloride. Sugar is a complex carbohydrates molecule.
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4 years ago
what happens to the rf value of your compound if you change your solvent from methylene chloride to methanol?
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Rf values may vary. Rf values vary depending on the material and solvent. The solvent that is used will alter the Rf value.

Rf values are typically higher for low polarity chemicals compared to higher polarity ones. Generally speaking, as polarity of a compound increases, so does its adsorptivity (i.e. the more polar the compound then the stronger it binds to the adsorbent). Solvents get more eluting as they become more polar.

The greater the compound's polarity, the more readily it will bind to the adsorbent, the closer it will come to the baseline, and the lower its Rf value. Many scientists use normal-phase flash chromatography with dichloromethane and methanol as the mobile phase to purify polar organic molecules. Due to methanol's high polarity and protic chemistry, it can frequently be difficult to optimize this solvent system.

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6 0
1 year ago
When C3H8 burns completely inn excess of oxygen, the products formed are
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Answer:

C3H8 + 5O2 ====> 3CO2 + 4H20

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