Atomic Inventory

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Atomic Inventory

• Physical Science
• Mr. Bythwood

2

• Protons () Atomic Number
• Neutrons Atomic Mass minus Protons
• Electrons (-) Same number as Protons

3

• Protons () Atomic Number
• Neutrons Atomic Mass minus Protons
• Electrons (-) Same number as Protons

4

• Protons () Atomic Number
• Neutrons Atomic Mass minus Protons
• Electrons (-) Same number as Protons

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Atomic Particles
Particle Location Mass in amu Charge
Proton
Neutron
Electron
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Atomic Particles
What is amu????

• amu is short for atomic mass unit
• 1 amu 1.66053886 10-27 kilograms

Particle Location Mass in amu Charge
Proton
Neutron
Electron

• 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 1028 amu
68.2 kg
1.66 x 10-27 kg
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Atomic Particles
Particle Location Mass in amu Charge
Proton
Neutron
Electron
Nucleus
1
1
Nucleus
1
0
Cloud
0
-1
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Atomic Inventory
Element Symbol Atomic Number Mass Number Protons Neutrons Electrons




He
2
4
2
2
2
Helium
Mg
12
24
12
12
12
Magnesium
Fe
26
26
30
56
26
Iron
Ar
18
18
18
Argon
40
22
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Atomic Inventory
Element Symbol Atomic Number Mass Number Protons Neutrons Electrons




Zn
30
65
30
35
30
Zinc
Br
35
80
35
45
35
Bromine
27
Al
13
13
14
13
Aluminum
92
238
92
Uranium
U
146
92
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Atomic Inventory
Element Symbol Atomic Number Mass Number Protons Neutrons Electrons




Na
11
23
11
12
11
Sodium
36
84
36
Kr
48
36
Krypton
20
40
20
20
20
Ca
Calcium
Ag
47
108
47
61
47
Silver
11
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_at_nccvt.k12.de.us