Nuclear Chemistry. CHAPTER 10. Intro Clip (2:40). 10.1 Radioactivity. Radioactivity - when an unstable atomic nucleus emits charged particles and energy. Nuclear decay - atoms of 1 element can change into atoms of a different element.
Intro Clip (2:40)
They are about 26,000 years old.
FYI: Ms. Lolich went here on a quick trip west.
Yes…….she is a science geek.
24094 Pu 23692 U + 42 He
22888 Ra 22889 Ac + 0-1e
B “ Dakota.e”TA DECAYAsk Ms. Lolich for her Weird way to remember this……
24094 Pu 24094 Pu + γ radiation
Background radiation - naturally occurs in the environment.
1. You’re exposed daily.
2. Found in: air, water, rocks, plants, and animals, comic rays.
3. Not harmful.
Once nuclear radiation exceeds background levels, it can damage the cells and tissues of your body.
David Hahn needs Proactive – NOT!
Video Clip (1:24)
Video Clip (2:04)
Video Clip (FIRST 1:06 )
Remember + and + repel but NOT with nuclear force!!
So Fission is like Scissors – right?
combine to form a larger nucleus.
Think of plasma (gas) = nuclei & electrons
…More like “stick it” together.
Video Clip (3:26)