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Warm up 11/06/13

Warm up 11/06/13. Question: Who discovered that the atom is mostly empty space with a dense positive nucleus? Answer: E. Rutherford(1911) Goal: I will use indirect measurement. ELEMENT OF THE DAY. 25 – Manganese – Mn

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Warm up 11/06/13

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  1. Warm up 11/06/13 • Question: Who discovered that the atom is mostly empty space with a dense positive nucleus? • Answer: • E. Rutherford(1911) • Goal: I will use indirect measurement.

  2. ELEMENT OF THE DAY • 25 – Manganese – Mn • Manganese oxide is one of the earliest known pigments – found in cave drawings • In the 1970s, the government created an elaborate cover up, sending treasure hunters looking for manganese nodules on the ocean floor. In actuality they were searching for a sunken Russian submarine during the cold war. • Manganese steel can make very sharp edges, for things like razor blades.

  3. Bellwork / New & Good • Rutherford video • Rutherford Lab • Homework • Lab pgs F • Read pg 11 & 12 Agenda

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