AICE Chemistry | Chapter 10.3: Periodicity in Chemical Properties (Period 3)

Описание: This lecture covers Section 10.3: Periodicity in Chemical Properties, from Chapter 10: Periodicity. We'll explore how the elements of Period 3 react with oxygen, chlorine, and water, focusing on the patterns in reactivity and the structures of the compounds formed.

Reactions with Oxygen: How elements from Sodium to Sulfur react with oxygen to form oxides.

-Observations: The bright yellow flame of Sodium, the blinding white light of Magnesium, and the blue flame of Sulfur.

-Oxidation Numbers: Noting that most elements reach their maximum oxidation state

Reactions with Chlorine: Forming chlorides. We'll look at the shift from ionic chlorides to covalent chlorides.

Reactions with Water:

-Sodium: The vigorous reaction with cold water to form Sodium Hydroxide (NaOH) and hydrogen gas.

-Magnesium: The very slow reaction with cold water versus the vigorous reaction with steam to form Magnesium Oxide (MgO) and hydrogen.

This video is designed to align with the Cambridge AICE Chemistry (9701) curriculum and is based on the official course textbook and lecture materials.

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