'Atomic math' presentation slideshows

331 views • 12 slides

Atomic Math

January , 2012. Atomic Math. Regular Atoms. Atomic Number = the number of protons = the number of electrons Atomic Mass = the number of protons + neutrons Gold P: 79 N: 197-79 = 118 E: 79. Your Turn: Regular Atoms. P: 23 N: 28 E: 23 P: 44 N: 57 E : 44 P: 53 N: 74 E : 53

179 views • 7 slides

Challenge #3

231 views • 3 slides

Challenge #1

Atomic Math. Challenge #1. T. Trimpe 2008 http://sciencespot.net/. 2 He Helium 4.003. 5 B Boron 10.81. 11 Na Sodium 22.990. 17 Cl Chlorine 35.453. Use the information provided to answer the questions. What is the atomic number for Chlorine? What is the atomic mass for Boron?

137 views • 3 slides

Challenge #2

Atomic Math. Challenge #2. T. Trimpe 2008 http://sciencespot.net/. 1 H Hydrogen 1.01. 3 Li Lithium 6.94. 14 Si Silicon 28.09. 18 Ar Argon 39.95. Use the information provided to answer the questions. What is the atomic number for lithium? How many protons does an atom of Si have?

131 views • 3 slides

Challenge #2

Atomic Math. Challenge #2. T. Trimpe 2008 http://sciencespot.net/. 1 H Hydrogen 1.01. 3 Li Lithium 6.94. 14 Si Silicon 28.09. 18 Ar Argon 39.95. Use the information provided to answer the questions. What is the atomic number for lithium? How many protons does an atom of Si have?

104 views • 3 slides