What is the electron configuration of a Chloride (Cl-) ion?
S1 Day 1 Review

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Science
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
1s² 2s² 2p⁶ 3s² 3p⁶
2.
FLASHCARD QUESTION
Front
How many protons does Boron have?
Back
5
3.
FLASHCARD QUESTION
Front
What is the charge of a particle with 4 protons, 2 neutrons, and 3 electrons?
Back
+1
4.
FLASHCARD QUESTION
Front
Which element has the greater ionization energy: Magnesium (Mg) or Phosphorus (P)?
Back
Phosphorus (P)
5.
FLASHCARD QUESTION
Front
What is the average atomic mass of an element with the following isotopic composition: 4.35% at 49.9461 amu, 83.79% at 51.9405 amu, 9.50% at 52.9407 amu, and 2.36% at 53.9389 amu?
Back
51.99 amu
6.
FLASHCARD QUESTION
Front
Define ionization energy.
Back
The energy required to remove an electron from an atom or ion.
7.
FLASHCARD QUESTION
Front
What is the charge of an electron?
Back
-1
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