Atomic emissions - PowerPoint PPT Presentation

Electrons in Atoms

Electrons in Atoms. Light Energy. Rutherford’s model -Shows where protons &amp; neutrons are -Not good at showing the location of electrons . Light Energy. When elements are heated, they are excited &amp; jump up to a higher energy level. In doing so, they give off a color of light.

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351 views • 22 slides

FIREWORKS

FIREWORKS. HISTORY. Writings from 850 AD show that the Chinese used black powder to create “fireworks”. People learned to encase black powder, making flares and missiles that would frighten invaders. By the 12th century fireworks had become a part of religious ceremonies and many celebrations.

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484 views • 13 slides

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