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MatroZZZ [7]
3 years ago
14

Crude oil is a liquid kind of what?

Chemistry
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

Crude oil is a mixture of comparatively volatile liquid hydrocarbons (compounds composed mainly of hydrogen and carbon), though it also contains some nitrogen, sulfur, and oxygen. Those elements form a large variety of complex molecular structures, some of which cannot be readily identified.

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Which of the following<br> are hydrocarbons? Check all that apply.<br> A.<br> B.<br> C.<br> D.
lutik1710 [3]

Answer:

its B and D

Explanation:

other person is wrong.

3 0
3 years ago
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Use the periodic table to identify the number of core electrons and the number of valence electrons in each case below.Magnesium
ser-zykov [4K]

Answer:

10 core 2 valence

Explanation:

i just did this question on edgenuity

7 0
3 years ago
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Nitrifying bacteria participate in the nitrogen cycle mainly by
Brilliant_brown [7]
Hello, here’s the answer to your question. Converting ammonia to nitrate, which is absorbed by plants
6 0
2 years ago
Periodic table 50 elements with thier valancies​
Lubov Fominskaja [6]

Answer:

The first 50 elements along with their valences are given below :

1. Hydrogen = 1

2. Helium = 0

3. Lithium = 1

4. Beryllium = 2

5. Boron = 3

6. Carbon = 4

7. Nitrogen = 3

8. Oxygen = 2

9. Fluorine = 1

10. Neon = 0

11. Sodium = 1

12. Magnesium = 2

13. Aluminium = 3

14. Silicon = 4

15. Phosphorus = 3

16. Sulphur = 2

17. Chlorine = 1

18. Argon = 0

19. Potassium = 1

20. Calcium = 2

21. Scandiun = 3

22. Titanium = 3

23. Vanadium = 4

24. Chromium = 3

25. Manganese = 4

26. Iron = 2

27. Cobalt = 2

28. Nickel = 2

29. Copper = 2

30. Zinc = 2

31. Gallium = 3

32. Germanium = 4

33. Arsenic = 3

34. Selenium = 2

35. Bromine = 1

36. Krypton = 0

37. Rubidium = 1

38. Strontium = 2

39. Yttrium = 3

40. Zirconium = 4

41. Niobium = 3

42. Molybdenum = 3

43. Technetium = 7

44. Ruthenium = 4

45. Rhodium = 3

46. Palladium = 4

47. Sliver = 1

48. Cadmium = 2

49. Indium = 3

50. Tin = 4

<u>Note</u> :

An element like Iron, copper can have more than one valencies.

3 0
3 years ago
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Electron configurations are a shorthand form of an orbital diagram, describing which orbitals are occupied for a given element.
kipiarov [429]

Answer:

[Ar] 3d10 4s2 4p3 is shorthand, 1s22s22p63s23p63d104s24p3 long hang

Explanation:

The shorthand is made using the lowest & closest noble gas, and picking up where it leaves off as follows, and longhand is made from a followed pattern you can easily find

3 0
3 years ago
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