Sal reviews the Sn1 and Sn2 reactions with comparable reactants. He discusses which electrons are lost or gained and the conditions that make one or the other process favorable.

This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...

What a cute approach to chemical bonding! Atoms all have human names and are attending at a dance. Who will pair up with whom? By reading the characteristics, and not the element name, chemistry whizzes figure out the bonding pairs....

This video continues from the previous topic and specifies how the elimination reaction between moderately electronegative molecules is controlled.

Primo Levi wrote a collection of short stories comparing his life from Italy to Auschwitz to elements in the periodic table. Pupils read an excerpt from his book and research the characteristics of various elements. Then, they make a...

Finally, an electronegativity resource your class will be strangely drawn to! Skilled scientists manipulate interactive puzzles to gain an understanding of common electronegativity values. The great thing? You can conduct the lesson...

Water is life! How is one small molecule responsible for so many big things? Socratica's series on biology presents a fascinating look at the universal solvent. From its adhesive properties caused by hydrogen bonding to its ability to...

What determines the type of bond two atoms will form? Science scholars examine the factors that affect the formation of molecules and compounds through a short video from Socratica's biology series. Topics include valence electrons,...

Polar or non-polar, that is the question. Individuals watch a video in the JFR Science playlist to learn about molecular polarity. Using three-dimensional Lewis structures and electronegativity lets them determine polarity of a molecule.

Linus Pauling: Nobel laureate and ... orange juice fan? Examine the varied interests of one of America's greatest scientific minds with a video from JFR Science. The narrator discusses Pauling's work in chemical bonding research, his...

It'll be difficult to stay positive through this lesson! Discuss electronegativity with your classes with a video introduction. The lesson defines electronegativity and then references the periodic table while highlighting different...

Differences exist in the way we draw covalent bonds of water and the way it reacts. The video explains these differences and relates them to electronegativity. It highlights the importance of water for bonding specifically as it relates...

The 20th installment in a series of 36 focuses on the characteristics of the p-block elements. Learners discuss, read about, and answer questions pertaining to the occurrence of these elements in nature, their electron configurations,...

If your pupils think Um is the element of confusion, this presentation on period trends can only help. It covers the patterns for atomic radii, ionization energy, and electronegativity across a period and down a group. 

Details why the polarity of water is so important to life with a video that explains how polarity impacts cohesion, adhesion, capillary action, high specific heat, and solvents.

The video contains a one-question quiz over oxidation numbers, solved with the electron dot structure. It is the seventh in a series of 15 chemistry lessons.

Ever wonder why oil and water don't mix? Or why washing butter off of your hands is difficult? A video explores the different types of molecules, reviews charge and geometric asymmetry, and covers why water is one of the best molecular...

Atoms form relationships with other atoms, just like humans. Their relationships are called bonds and there are different types. Explore how energy is transferred between atoms through ionic and covalent bonds. 

Hydrogen bonds aren't your run-of-the mill bonds — they make life possible! Use the video to understand how hydrogen bonds form between water molecules. 

It's not just any old bond! Through electronegativity, the instructor in a science video explains polar and nonpolar covalent bonds. 

Geckos are reptilian superheroes, defying gravity to climb walls and hang from ceilings, but where did they get these amazing superpowers? Watch this fun video as it examines the amazingly designed feet of these unique animals and how...

A video on Sn1 reactions diagram water and 2-Bromo-2-Methylpropane. Sal discusses the possible behaviors of the valence electrons. He reviews the concepts of nucleophilicity and electronegativity and the speed of each reaction stage.