What is the main focus of this video tutorial?

Lewis Structure and Valence Electrons

Interactive Video
•
Chemistry
•
9th - 10th Grade
•
Hard

Amelia Wright
FREE Resource
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7 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Understanding molecular geometry
Discussing chemical reactions
Explaining the periodic table
Drawing the Lewis structure for HS- ion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many valence electrons does sulfur have?
1
6
8
16
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the negative charge on the HS- ion indicate?
Gain of an electron
Loss of a proton
Loss of an electron
Gain of a proton
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many electrons are shared between hydrogen and sulfur in the HS- ion?
Four
Three
Two
One
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why does hydrogen only need two electrons in its outer shell?
It has a full d-orbital
It is highly electronegative
It follows the duet rule
It is a noble gas
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the total number of valence electrons used in the HS- ion structure?
6
7
8
9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are brackets used around the Lewis structure of HS-?
To show it is an ion
To indicate it is a molecule
To highlight the central atom
To denote resonance
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