H2S Molecular Structure and Valence Electrons

Dr. B explains how to draw the Lewis structure for H2S, also known as Dihydrogen Sulfide. The video covers the calculation of valence electrons, the placement of atoms, and the formation of chemical bonds. It also discusses the structural formula of H2S, highlighting its bent shape due to unbonded valence electrons pushing the hydrogen atoms down.

How many valence electrons does sulfur have in the periodic table?

• 8

• 6

• 1

• 16

What is the total number of valence electrons used in the Lewis structure of H2S?

• 10

• 8

• 6

• 4

Where should hydrogen atoms be placed when drawing the Lewis structure?

• In the center

• On the outside

• Above sulfur

• Next to sulfur

How many valence electrons are used to form bonds between hydrogen and sulfur?

• 2

• 8

• 4

• 6

What is the shape of the H2S molecule?

• Trigonal planar

• Tetrahedral

• Bent

• Linear

Why is the H2S molecule bent?

• Because sulfur is heavier

• Due to ionic bonds

• Because of unbonded valence electrons

• Due to hydrogen bonds