9. Give the symbol of and the number of neutrons in one atom of: (Mass numbers are ALWAYS whole numbers...show your calculations) Barium Carbon Fluorine Europium Bismuth Hydrogen Mercury Magnesium

Introductory Chemistry For Today
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Chapter2: Atoms And Molecules
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**Question 9: Atomic Structure**

**Task:** Give the symbol and the number of neutrons in one atom of the following elements. Note that mass numbers are always whole numbers. Remember to show your calculations.

1. **Barium** 
   - Symbol: ________ 
   - Neutrons: ________

2. **Carbon** 
   - Symbol: ________ 
   - Neutrons: ________

3. **Fluorine** 
   - Symbol: ________ 
   - Neutrons: ________

4. **Europium** 
   - Symbol: ________ 
   - Neutrons: ________

5. **Bismuth** 
   - Symbol: ________ 
   - Neutrons: ________

6. **Hydrogen** 
   - Symbol: ________ 
   - Neutrons: ________

7. **Magnesium** 
   - Symbol: ________ 
   - Neutrons: ________

8. **Mercury** 
   - Symbol: ________ 
   - Neutrons: ________

**Instructions:** To find the number of neutrons, use the formula:

\[ \text{Number of Neutrons} = \text{Mass Number} - \text{Atomic Number} \]

Make sure to provide the symbol for each element along with the calculated number of neutrons.
Transcribed Image Text:**Question 9: Atomic Structure** **Task:** Give the symbol and the number of neutrons in one atom of the following elements. Note that mass numbers are always whole numbers. Remember to show your calculations. 1. **Barium** - Symbol: ________ - Neutrons: ________ 2. **Carbon** - Symbol: ________ - Neutrons: ________ 3. **Fluorine** - Symbol: ________ - Neutrons: ________ 4. **Europium** - Symbol: ________ - Neutrons: ________ 5. **Bismuth** - Symbol: ________ - Neutrons: ________ 6. **Hydrogen** - Symbol: ________ - Neutrons: ________ 7. **Magnesium** - Symbol: ________ - Neutrons: ________ 8. **Mercury** - Symbol: ________ - Neutrons: ________ **Instructions:** To find the number of neutrons, use the formula: \[ \text{Number of Neutrons} = \text{Mass Number} - \text{Atomic Number} \] Make sure to provide the symbol for each element along with the calculated number of neutrons.
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