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Nezavi [6.7K]
3 years ago
12

What is the octet rule

Chemistry
2 answers:
BlackZzzverrR [31]3 years ago
8 0
The octet rule is that atoms must have 8 valence electrons to have an octet. Usually, when atoms have an octet, they tend not to bond with any other atoms because they are already stable and do not need to bond anymore. 
In-s [12.5K]3 years ago
8 0
This is a rule that says that atoms tend to combine to complete electrons to 8. And that means that the two atoms tend to combine to complete a shell to 8 electrons. Hope i helped. Have a nice day
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An Isolated system could be best described as a _______________.
trasher [3.6K]
Hello Mate!

Well, there are many definitions and descriptions of isolated systems, and here are some of them:

1. It can be a physical system which is located very very far from all other systems, so there is absolutely no interaction between them, thus making it isolated.

2. It can be a thermodynamic system with rigid walls, which prevents mass and energy to pass through.

I Hope my answer has come to your Help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead! :)

(Ps. Mark As Brainliest IF Helped!)

-TheOneAboveAll :D
7 0
3 years ago
Balance this chemical equation <br><br>Cu(OH)2+ HCl --&gt; CuCl2 + H2O​
Finger [1]

Answer:

Cu(OH)2 + 2HCl → CuCl2 + 2H2O

5 0
3 years ago
Read 2 more answers
Find the number of moles of argon in 452 g of argon
bixtya [17]
No. of moles = given mass/atomic mass

= 452/40

= 11.3.

Thus, there are 11.3 moles
7 0
3 years ago
Read 2 more answers
What are some biological processes that are sensitive to pH changes?
Kipish [7]
Some processes including enzymes. Such as enzymes working in the stomach acid prefer a pH level of 2. If higher the enzymes don't work as efficiently.
6 0
3 years ago
Interpret and describe an example of a chemical formula. Summarize the two parts a chemical formula must have.
k0ka [10]

Answer and Explanation:

A chemical formula is composed by chemical symbols (in letters, which indicate the chemical elements) and subscripts (numbers). For example, let see the chemical formula for <em>carbon dioxide</em>:

CO₂

The letters C and O are the chemical symbols for the elements carbon (C) and oxygen (O). The number 2 in subscript indicates that there are 2 atoms of O per molecule. The subscript 1 is generally not indicated in chemical formulae, so it is assumed that the number of atoms of C is 1.

Summarizing, the chemical formula CO₂ indicates us that the molecule if formed by 1 atom of the element carbon (C) and 2 atoms of the element oxygen (O).

5 0
3 years ago
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