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Physical Science Mr. Bythwood. Atomic Inventory. Protons (+): Atomic Number Neutrons: Atomic Mass minus Protons Electrons (-): Same number as Protons. Protons (+): Atomic Number Neutrons: Atomic Mass minus Protons Electrons (-): Same number as Protons.
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Physical Science Mr. Bythwood Atomic Inventory
Protons (+): Atomic Number • Neutrons: Atomic Mass minus Protons • Electrons (-): Same number as Protons
Protons (+): Atomic Number • Neutrons: Atomic Mass minus Protons • Electrons (-): Same number as Protons
Protons (+): Atomic Number • Neutrons: Atomic Mass minus Protons • Electrons (-): Same number as Protons
Atomic Particles What is amu???? • amu is short for atomic mass unit • 1 amu = 1.66053886 × 10-27 kilograms • EXAMPLE: If you weigh 150 lbs, what is that in kilograms? • 1 kg • 150 lbs • 68.2 kg • 1 kg = 2.2 lbs • 2.2 lbs • EXAMPLE: If you weigh 150 lbs, what is that in amu? • 1 amu • 4.11 x 10+28amu • 68.2 kg • 1.66 x 10-27 kg
Atomic Particles Nucleus +1 1 Nucleus 1 0 Cloud 0 -1
Atomic Inventory Helium He 2 4 2 2 2 Magnesium Mg 12 24 12 12 12 Fe 26 26 30 Iron 56 26 Argon Ar 18 18 18 40 22
Atomic Inventory Zinc Zn 30 65 30 35 30 Bromine Br 35 80 35 45 35 27 Aluminum Al 13 13 14 13 Uranium 92 238 92 U 146 92
Atomic Inventory Sodium Na 11 23 11 12 11 36 84 36 Krypton Kr 48 36 20 40 20 20 20 Calcium Ca Ag 47 108 47 61 47 Silver
The End • This presentation was created for the benefit of our students by the Science Department at Howard High School of Technology • Adjustments made by Mr. Madigan and Mr. Spraggins • Please send suggestions and comments to rmay@nccvt.k12.de.us