Warm-up 10/20/15 Which of Dalton’s 5 theories has been modified because today’s technological discoveries?

Warm-up 10/21/15 Who discovered the electron? What device did he use? Thomson CRT

Warm-up 10/22/15 What makes up atoms?

Warm-up 10/23/15 Identify the number of protons, neutrons and electrons in Bromine – 82. p+ = 35 e- = 35 no = 47

Warm-up 10/26/15 Write the symbol notation for an element that has 16 protons, 18 electrons and 17 neutrons. Write the symbol notation for an element that has 5 protons, 5 electrons and 6 neutrons.

Warm-up 10/27/15 Write the atomic symbol notation for an ion that has 8 protons, 10 electrons and 8 neutrons.

Warm-up 10/28/15 Write an equation for the alpha decay of Polonium – 211. Write an equation for the beta decay of Cesium – 135.

Warm-up 10/30/15 What is the difference between nuclear fission and fusion? Fission is the process of splitting the nucleus. Fusion is the process of combining smaller nuclei into one larger one.