The document discusses the Big Bang theory which explains the formation of light elements. It also mentions that a red giant is a stage of stellar evolution that occurs after a star has exhausted its core hydrogen. The document asks which fusion reaction correctly represents the formation of Mg-26 through the fusion of sodium and an alpha particle and provides multiple choice answers. It also notes that one should review types of decay and lists the types of bonds defined by electron affinity differences.

1. MidtermReview

2. Theory that explains
the formation of light
elements

3. Answer: Big BangTheory
Theory that explains
the formation of light
elements

4. Stage of star after
average yellow star

5. Stage of star after
average yellow star
Answer: Red Giant

45. Which fusion reaction equation correctly
represents the formation of Mg-26 through the
fusion of sodium and an alpha particle?
A)Na-23 + α → Mg-26 + p
B)Na-24 + α → Mg-26 - p
C)Na-23 + α → Mg-25 + p
D)Na-22 + α → Mg-26 - p
*Review the types of decay

46. Which fusion reaction equation correctly
represents the formation of Mg-26 through the
fusion of sodium and an alpha particle?
A)Na-23 + α → Mg-26 + p
B)Na-24 + α → Mg-26 - p
C)Na-23 + α → Mg-25 + p
D)Na-22 + α → Mg-26 - p
*Review the types of decay

47. Type of Bond EN Difference
Ionic Above 1.7
Polar covalent 0.3 – 1.7
Nonpolar covalent Below 0.3