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Marina CMI [18]
3 years ago
13

Help anyone please ;) will mark brainliest!! thank you lol <3

Chemistry
2 answers:
Misha Larkins [42]3 years ago
7 0
1. Can’t answer lol.
2. 6 electrons
3. Carbon
4. Valance electrons are different from electrons because valance electrons are on the most out e-cloud (octet) and while electrons are not on the most outer e-cloud.
5. B
6. Octet (or e-cloud I think)
7. Atomic number (I think)
8. 1
9. Group 18 (I think)
10. 4 electrons
11. F
12. F
13. F
14. T
15. T
16. T
17. T
18. I can’t really see it :(
Usimov [2.4K]3 years ago
5 0

Answer:

The answer to your question is below

Explanation:

2.- 6

3.- Carbon

4.- These electrons can be share to obtain stability.

5.- Protons, electrons

6.- electron cloud

7.- I and III

8.- 1

9.- 8A

10.- 4

11.- F

12.- F

13.- F

14.- T

15.- T

16.- T

17.- T

18.- T (I can not read the question but I think is true)

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Bromine occurs in the ____ state at room temperature.
Studentka2010 [4]

Answer:

d  liquid

Explanation:

Bromine occurs in the liquid state at room temperature.

Bromine is the only nonmetallic element that occurs in the liquid state at room temperature.

6 0
3 years ago
How might the structure of an atom be modeled
Sergio [31]

Answer:

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Explanation:

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3 years ago
You are performing a titration of a triprotic acid, when you spill water on your lab notebook. you can read that: pka 1 = 1.40,
eimsori [14]
According to the PH formula:
PH= Pka +㏒ [strong base/weak acid]
when we have PH at the first equivalence =3.35 and the Pka1 = 1.4
So, by substitution, we can get the value of ㏒[strong base / weak acid]
3.35 = 1.4 + ㏒[strong base/ weak acid]
∴㏒[strong base/weak acid] = 3.35-1.4 = 1.95 
to get the Pka2 we will substitute with the value of ㏒[strong base/ weak acid] and the value of PH of the second equivalence point
∴Pk2 = PH2 - ㏒[strong base/ weak acid]
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5 0
3 years ago
What best describes the heat transfer when kinetic energy is converted into potential energy?
Masteriza [31]

Answer:

neither of them, kinetic energy is energy in motion and potential is stored energy so its like saying the heat transfer stopped in a pot

i dont know if that made sense XD

~batmans wife dun dun dun...

4 0
4 years ago
When 0.25 moles of NH3 are produced according to the reaction below, how many moles of H2 must have reacted?
marissa [1.9K]

Answer:

Explanation:

by stoichiometry

nNH3/2=nH2/3

0.25/2=nH2/3

nH2=0.25×3/2

nH2=0.375 mol

so its 0.38 mol

6 0
3 years ago
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