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Liono4ka [1.6K]
3 years ago
15

99 POINTS!!!

Chemistry
2 answers:
seraphim [82]3 years ago
7 0

1. B. Orbital Shape

2. C. counterclockwise

3. D. Electrons enter orbitals of lowest energy first

4. C. 6

5. C. 2

6. A. Filled energy sublevels

Kitty [74]3 years ago
4 0
Hi,
Pauli exclusion principle tells you that if two electrons reside in the same orbital they will have opposite spin (1/2 and -1/2), so your answer here would be anti clockwise.
Hope this helps!
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If the concentration of Mg2+ in the solution were 0.039 M, what minimum [OH−] triggers precipitation of the Mg2+ ion? (Ksp=2.06×
Elodia [21]

Answer:

2.30 × 10⁻⁶ M

Explanation:

Step 1: Given data

Concentration of Mg²⁺ ([Mg²⁺]): 0.039 M

Solubility product constant of Mg(OH)₂ (Ksp): 2.06 × 10⁻¹³

Step 2: Write the reaction for the solution of Mg(OH)₂

Mg(OH)₂(s) ⇄ Mg²⁺(aq) + 2 OH⁻(aq)

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3 years ago
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d1i1m1o1n [39]

Answer:

B

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