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algol [13]
3 years ago
10

Why does argon exist in nature as individual argon atoms and chlorine exist in nature as 2 chlorine atoms covalently bonded toge

ther ?
Chemistry
1 answer:
Katarina [22]3 years ago
8 0

Answer:

Argon has 8 valence electrons and no extras, it does not require a bond in order to fill its shells, its satisfied by itself.

Chlorine is missing 1 Electron, if it connects with another Chlorine it will be satisfying both of their needs with a Covalent bond.

Explanation:

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Why electronegative decrease going down the periodic table
liraira [26]
Moving down in a group, the electronegativity decreases due to an increase in the distance between the nucleus and the valence electron shell, thereby decreasing the attraction, making the atom have less of an attraction for electrons or protons.
5 0
3 years ago
PLEASE ANSWERRRRRRR
Neporo4naja [7]

Answer:

D

Explanation:

Because the silk took away the electrons to allow the rod to become positive. They cant be destroyed because of the law of conservation of charges. Also protons cannot move only electrons can.

8 0
3 years ago
LIMITING REACTANT!! Please help I’m very confused.
alexira [117]

Answer:

We'll have 1 mol Al2O3 and 3 moles H2

Explanation:

Step 1: data given

Numer of moles of aluminium = 2 moles

Number of moles of H2O = 6 moles

Step 2: The balanced equation

2Al + 3H2O → Al2O3 + 3H2

Step 3: Calculate the limiting reactant

For 2 moles Al we need 3 moles H2O to produce 1 mol Al2O3 and 3 moles H2

Aluminium is the limiting reactant. It will completely be consumed (2 moles).

H2O is in excess. There will react 3/2 * 2 = 3 moles

There will remain 6 - 3 = 3 moles

Step 4: Calculate moles products

For 2 moles Al we need 3 moles H2O to produce 1 mol Al2O3 and 3 moles H2

For 2 moles Al we'll have 2/1 = 1 mol Al2O3

For 2 moles Al We'll have 3/2 * 2 = 3 moles H2

We'll have 1 mol Al2O3 and 3 moles H2

8 0
3 years ago
Determine whether each carbohydrate is best described as a monosaccharide, a disaccharide, or a polysaccharide
vazorg [7]

Answer options from an alternative source

  • fructose                              
  • lactose                              
  • starch
  • glucose                                                                            
  • cellulose

Answer:

  • fructose -monosaccharide                              
  • lactose  - disaccharide                            
  • starch  - polysaccharide
  • glucose - monosaccharide                                                                          
  • cellulose - polysaccharide

Explanation:

Monosaccharides are carbohydrates that are the simplest form of a sugar. They cannot be further broken down into smaller carbohydrates, and represent the basic building block for carbohydrates. Monosaccharides can form disaccharides, which are the sugar formed when two monosaccharides join together, or polysaccharides, which are chains of monosaccharides.

3 0
3 years ago
Our day is 24 hours long because that is the time it takes the earth to
Marianna [84]
Complete one rotation. 

Hope this helps.
3 0
3 years ago
Read 2 more answers
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