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Atomic Theory
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Gamma Particle (light)

Gamma Particle (light)

Beta Particle

(Electron)

Alpha Particle

2 Protons

2 Neutrons

Radioactivity

radioactive particles and rays

Slide 177

Radioactive decay

Radioactive decay

Radioactivity

Change in the nucleus of an atom

Loss of an Alpha, Beta, or Gamma particle

Slide 178

Radioactivity

Radioactivity

3 forms of Radioactive Decay

Slide 179

the Mole !

the Mole !

It’s time to learn about . . .

Slide 180

H

H

1.008

1

Avogadro asked . . .

Q: If ONE Hydrogen atom weighs 1.008 daltons,

how many Hydrogen atoms would it take to weigh 1.008 grams ?

Slide 181

Answer: 6.023 x 1023  that many

Answer: 6.023 x 1023  that many

602,300,000,000,000,000,000,000

one Mole

Slide 182

Na

Na

22.990

11

Q: If ONE Sodium atom weighs

22.99 daltons,

how many Sodium atoms would it take to weigh 22.99 grams ?

one Mole

Slide 183

What does one Mole of Lithium atoms weigh ?

What does one Mole of Lithium atoms weigh ?

What does one Mole of Carbon atoms weigh ?

What does one Mole of Water molecules weigh ?

What does one Mole of O2 molecules weigh ?

Slide 184

Six munths ago

Six munths ago

I cudnt evun spelt chemissed.

An now I are one.

Slide 185

© 2007 Dr. Jacob Israel

© 2007 Dr. Jacob Israel

All Rights Reserved

Panther Productions

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