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inysia [295]
3 years ago
12

50 POINTS AND ILL GIVE BRAINLIEST 5 STARS AND A THANKS

Chemistry
1 answer:
Art [367]3 years ago
7 0
<span> x + 2 = 6 x + 2 = 6 x+2=6x, plus, 2, equals, 6 has a variable in it.</span>
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What type of compound is created when potassium and chlorine combine?
poizon [28]

Answer : The type of compound created is Ionic compound and the chemical formula is KCl.

Explanation :

  • Potassium has 1 electron in its valence shell and chlorine has 7 electrons in its valence shell.
  • The potassium loses 1 valence electron & make a positive charged ion and chlorine picks it up & make a negative charged ion and then they attract to each other.
  • Potassium and chlorine atom combine to form potassium chloride by the ionic bonding.
  • An ionic compound is made of a metal and non-metal element. And in this case, potassium is a metal element and chlorine is a non-metal element.

The ionic compound formation is,

K+Cl\rightarrow KCl

The Chemical formula is KCl.

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Which of the following changes of states are exothermic and endothermic? (Choose 2 exothermic and 3 endothermic processes.)
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Explanation: Why? Because two of them have to do with hot and the other three have to do with cold

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Determine the number of moles in 1 gram of water<br><br>​
marissa [1.9K]

Answer:

This is

1 mole = 18 gram = 6×10^23 molecules

1 gram = ?

1 gram= 18/6×10^23 atoms

1 gram =3×10^-23 atoms

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