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Nataly [62]
3 years ago
6

Answer plzzzz im begging

Chemistry
1 answer:
lisabon 2012 [21]3 years ago
4 0

¿es demasiado tarde para ayudarte?

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What is the mass of 4.32 mol GaI3? <br> 455 g <br> 1,230 g <br> 1,720 g <br> 1,950 g
denis23 [38]

Answer:

D. 1,950 g

Explanation:

I completed the test and it is the correct answer!

8 0
3 years ago
WILL GIVE BRAINLIEST
Alex777 [14]

For the first one, you have to find one that has both a metal and a nonmetal in it, plus potassium. Bonds between nonmetals are called covalent because they share electrons and a bond between a metal and a nonmetal is an ionic bond because they exchange electrons.

Potassium chloride is KCl. Only an ionic bond.

Potassium hydride is KH. Only an ionic bond.

Potassium nitrate is KNO3. There we go, that has a covalent bond between the nitrogen and oxygen, and an ionic bond between potassium and the nitrogen and oxygen.

For the second one, potassium chloride is the answer because the other three also have covalent bonds. Chloride is the only one that isn't a compound.

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3 years ago
Why can water be used in the cooling system of a car? A. it always heats the car in the winter B. it helps fluctuate temperature
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The answer is C. It resists fast temperature change
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Which of these can be described as a system of stars, gases, dust, and other matter that orbits a common center of gravity?
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What is the number of electrons shared between the atoms in a molecule of nitrogen, N2
Murljashka [212]

Answer:

3 electrons is contributed from each Nitrogen atom.

Total 6 electrons are shared in N₂.

Explanation:

  • Nitrogen is belong to group VA
  • it have 5 electron in its outer most Shell.
  • it need 3 electrons complete its octet to become stable.
  • Nitrogen have total 7 electrons.
  • its atomic number is 7

The electronic configuration of Nitrogen is as:

1s², 2s², 2p³

it exist in diatomic form standard temperature and pressure.

Nitrogen form covalent bond and share 3 electron from each side.

total 6 electron are shared between 2 nitrogen atom.

For Covalent bonding it can share its 3 electrons.  

The diagrammatic representation is in attachment.

                   

5 0
3 years ago
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