Jurassic 5 - The Lecture

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OK, let's begin!

Compound: A substance composed of two or more elements chemically combined in definite proportions by weight.
Mixture: Two or more substances that are not chemically united, such as air.
Solution: A uniform mixture of varying proportions of a solvent and a solute.

For many of our students, this is the lesson you've been waiting for.

Lesson... Six.

Left channel.
Right channel.

Hydrogen, H, +1.
Sodium, Na, +1. Magnesium, Mg, +2.
Aluminum, Al, +3.
Potassium, K, +1.
Calcium, Ca, +2.
Chromium, Cr, +2, three, six.

Any physical difficulty with a record, or a turntable, is taken care of.

Do you think that Led Zeppelin and Frank Sinatra would go together?

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No.

Combinations of music.