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Irina-Kira [14]
3 years ago
5

An element that contains an electron in a d sublevel is A. Mg. B. O. C. Fe. D. Ne.

Chemistry
2 answers:
Dimas [21]3 years ago
8 0
C) Fe

1s² 2s² 2p⁶ 3s² 3p⁶ 4s² <u>3d⁶</u>
zepelin [54]3 years ago
6 0

Fe iron atomic number 26 i took the test

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How would the electron configuration of nitrogen change to make a stable configuration?
AnnZ [28]

The answers to the questions are as follows;

  1. It would gain three electrons
  2. The difference in their electronegativities.
  3. The elements have filled Valence levels
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Question 1:

  • How would the electron configuration of nitrogen change to make a stable configuration?

Since Nitrogen has 5 Valence electrons, it needs 3 electrons to attain it's octet configuration. As such, it gains 3 electrons.

Question 2:

  • Which quantity determines how two atoms bond.

The quantity which determines how two atoms bond is The difference in their electronegativities.

Question 3:

  • Which statement best explains why the elements in Group 18 do not have electronegativity values.

This is because the elements have filled Valence levels.

Question 4:

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The ion which has a stable Valence electron configuration is potassium (K) with a 1+ charge

Question 5;

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The chemical formula which represents a polyatomic ion is; ClO-

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LUCKY_DIMON [66]

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What occurs in order to break the bond in a Cl2 molecule?
alukav5142 [94]
The bond between the 2 Cl atoms in a Cl₂ molecule is a covalent bond. 
to break this covalent bond, energy is required. 
when new bonds form, energy is released as the bond formation makes the molecule stable. molecules with low energy levels are usually stable. 
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1)energy is absorbed
3 0
3 years ago
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Upon balancing the equation what is the smallest possible integers that goes in front O₂? HBr + O₂ ➞ H₂O + Br₂ *
Leokris [45]

Answer:

1

Explanation:

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7 0
2 years ago
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