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Understanding Atomic Mass and Exploring Copper's Unique Properties

This lesson focuses on atomic mass as the weighted average of all isotopes of an element. Our goal is to build models of atomic nuclei for better understanding. We will delve into the element of the day: Copper (Cu), which is significant due to its role in alloys like bronze and brass. Copper, cesium, and gold are unique as they are not typically silver or gray in color. Notably, copper has the second highest electrical conductivity among metals, making it essential for electrical wiring. Be prepared for bellwork on atomic structure and an upcoming lab activity.

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Understanding Atomic Mass and Exploring Copper's Unique Properties

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Presentation Transcript

  1. Warm up 11/12/13 • Question: What is atomic mass? • Answer: • The weighted average of all isotopes of an element. • Goal: I will build models of atomic nuclei.

  2. ELEMENT OF THE DAY • 29 – Copper – Cu • Copper alloyed with tin makes bronze and alloyed with zinc makes brass. • Copper, cesium and gold are the only metal elements that are not some form of silver/gray color. • Copper has the second highest electrical conductivity of any metal, and hence is commonly used in electrical wiring.

  3. Bellwork • Review atomic structure • Atom Board Lab • Homework • pg 29-30 Agenda

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