How many valence electrons does sulfur have?
Chemistry Fall Semester Review

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Chemistry
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10th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
Sulfur has 6 valence electrons.
2.
FLASHCARD QUESTION
Front
Which element has the smallest atomic radius?
Back
Neon (Ne) has the smallest atomic radius.
3.
FLASHCARD QUESTION
Front
What is the name of ZnCl2?
Back
The name of ZnCl2 is zinc (II) chloride.
4.
FLASHCARD QUESTION
Front
What is the correct formula for copper(I) cyanide?
Back
The correct formula for copper(I) cyanide is CuCN.
5.
FLASHCARD QUESTION
Front
How do you calculate the average atomic mass of an isotope?
Back
Average atomic mass = (mass1 * %abundance1) + (mass2 * %abundance2).
6.
FLASHCARD QUESTION
Front
What is the average atomic mass of an element with isotopes of 38.0 amu (67%) and 36.0 amu (33%)?
Back
The average atomic mass is 37.3 amu.
7.
FLASHCARD QUESTION
Front
Define valence electrons.
Back
Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.
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