Question
Isotopes are atoms that share the same number of protons but have a different number neutrons.
Let's investigate what determines makes an atoms stable or not.
Which of the following are stable isotopes?
Hydrogen: 1-H ____________, 2-H ________, 3-H ____________
Helium: 3-He __________, 4-He__________, 5-He ____________
Lithium: 5-Li ___________, 6-Li__________, 7-Li ______________
Beryllium: 8-Be __________, 9-Be _________, 10-Be ___________
Boron: 10-B __________, 11-B __________, 12-B _______________
Carbon: 12-C___________, 13-C __________, 14-C ________________
Nitrogen: 13-N _____________, 14-N_____________, 15-N ________________
Oxygen: 16-O _____________, 17-O ___________, 18-O _____________
Fluorine: 18-F_____________, 19-F ___________, 20-F _______________
Neon: 20-Ne ________________, 21-Ne ____________, 22-Ne ____________
Stable or Unstable
Let's investigate what determines makes an atoms stable or not.
Which of the following are stable isotopes?
Hydrogen: 1-H ____________, 2-H ________, 3-H ____________
Helium: 3-He __________, 4-He__________, 5-He ____________
Lithium: 5-Li ___________, 6-Li__________, 7-Li ______________
Beryllium: 8-Be __________, 9-Be _________, 10-Be ___________
Boron: 10-B __________, 11-B __________, 12-B _______________
Carbon: 12-C___________, 13-C __________, 14-C ________________
Nitrogen: 13-N _____________, 14-N_____________, 15-N ________________
Oxygen: 16-O _____________, 17-O ___________, 18-O _____________
Fluorine: 18-F_____________, 19-F ___________, 20-F _______________
Neon: 20-Ne ________________, 21-Ne ____________, 22-Ne ____________
Stable or Unstable
Answers
GPT-4o mini
Below is the determination of the stability of isotopes for the given elements:
**Hydrogen:**
- 1-H: **Stable**
- 2-H: **Stable**
- 3-H: **Unstable** (tritium is radioactive)
**Helium:**
- 3-He: **Unstable** (rare and radioactive)
- 4-He: **Stable**
- 5-He: **Unstable** (very short-lived)
**Lithium:**
- 5-Li: **Unstable** (radioactive)
- 6-Li: **Stable**
- 7-Li: **Stable**
**Beryllium:**
- 8-Be: **Unstable** (very short-lived)
- 9-Be: **Stable**
- 10-Be: **Unstable** (radioactive)
**Boron:**
- 10-B: **Stable**
- 11-B: **Stable**
- 12-B: **Unstable** (radioactive)
**Carbon:**
- 12-C: **Stable**
- 13-C: **Stable**
- 14-C: **Unstable** (radioactive)
**Nitrogen:**
- 13-N: **Unstable** (radioactive)
- 14-N: **Stable**
- 15-N: **Stable**
**Oxygen:**
- 16-O: **Stable**
- 17-O: **Stable**
- 18-O: **Stable**
**Fluorine:**
- 18-F: **Unstable** (radioactive)
- 19-F: **Stable**
- 20-F: **Unstable** (radioactive)
**Neon:**
- 20-Ne: **Stable**
- 21-Ne: **Unstable** (radioactive)
- 22-Ne: **Unstable** (radioactive)
In summary:
- Stable isotopes: 1-H, 2-H, 4-He, 6-Li, 7-Li, 9-Be, 10-B, 11-B, 12-C, 13-C, 14-N, 15-N, 16-O, 17-O, 18-O, 19-F, 20-Ne
- Unstable isotopes: 3-H, 3-He, 5-He, 5-Li, 8-Be, 10-Be, 12-B, 13-N, 18-F, 21-Ne, 22-Ne
**Hydrogen:**
- 1-H: **Stable**
- 2-H: **Stable**
- 3-H: **Unstable** (tritium is radioactive)
**Helium:**
- 3-He: **Unstable** (rare and radioactive)
- 4-He: **Stable**
- 5-He: **Unstable** (very short-lived)
**Lithium:**
- 5-Li: **Unstable** (radioactive)
- 6-Li: **Stable**
- 7-Li: **Stable**
**Beryllium:**
- 8-Be: **Unstable** (very short-lived)
- 9-Be: **Stable**
- 10-Be: **Unstable** (radioactive)
**Boron:**
- 10-B: **Stable**
- 11-B: **Stable**
- 12-B: **Unstable** (radioactive)
**Carbon:**
- 12-C: **Stable**
- 13-C: **Stable**
- 14-C: **Unstable** (radioactive)
**Nitrogen:**
- 13-N: **Unstable** (radioactive)
- 14-N: **Stable**
- 15-N: **Stable**
**Oxygen:**
- 16-O: **Stable**
- 17-O: **Stable**
- 18-O: **Stable**
**Fluorine:**
- 18-F: **Unstable** (radioactive)
- 19-F: **Stable**
- 20-F: **Unstable** (radioactive)
**Neon:**
- 20-Ne: **Stable**
- 21-Ne: **Unstable** (radioactive)
- 22-Ne: **Unstable** (radioactive)
In summary:
- Stable isotopes: 1-H, 2-H, 4-He, 6-Li, 7-Li, 9-Be, 10-B, 11-B, 12-C, 13-C, 14-N, 15-N, 16-O, 17-O, 18-O, 19-F, 20-Ne
- Unstable isotopes: 3-H, 3-He, 5-He, 5-Li, 8-Be, 10-Be, 12-B, 13-N, 18-F, 21-Ne, 22-Ne