Warm-Up 9/30/14 Get a textbook. How would you write the shorthand notation for uranium-232? Check your notes.

Understand how to identify nuclear reactions Objective 9/30/14 Understand how to identify nuclear reactions Agenda 9/30/14 Nuclear Reactions

Warm-Up 9/30/14 2) How would you write the shorthand notation for uranium-232? Check your notes.

Warm-Up 9/30/14 2) How would you write the shorthand notation for uranium-232? Check your notes.

Review of Atom Three subatomic particles? 2) Where is each found? 3) Charge of each? 4) Which have a relative mass of 1?

Fission: the nucleus of an atom splits into smaller fragments Fission vs. Fusion Fission: the nucleus of an atom splits into smaller fragments

Fission vs. Fusion Fusion: nuclei (plural of nucleus) combine to produce a nucleus of greater mass.

Copy down the examples of : -beta emission -electron capture Textbook Pgs. 802 and 804 Copy down the examples of : -beta emission -electron capture -positron emission -alpha emission -gamma radiation 2) What changes in each type of radiation?

Beta particle (electron)  no mass Beta emission Beta particle (electron)  no mass

Beta particle (electron)  no mass Electron capture Beta particle (electron)  no mass

Positron  mass of electron but positive charge Positron emission Positron  mass of electron but positive charge

Alpha emission

Gamma rays have no mass  energy Gamma Radiation Gamma rays have no mass  energy

Homework 9/30/14 No homework