ATOMIC STRUCTURE WORKSHEET
ATOMIC STRUCTURE WORKSHEET
Adapted from: cvhs/kirscha/atomic%20structure%20with%20nuc%20worksheet.doc
Complete the table. There is enough information given for each element to determine all missing numbers.
|Nuclear Notation |Hyphen Notation |Atomic Number |Mass Number |Number of Protons |Number of Electrons |Number of Neutrons |
| | | | | | | |
|2311Na |Na-23 |11 |23 |11 |11 |12 |
| | | | | | | |
|4019K |K-40 |19 |40 |19 |19 |21 |
| | | | | | | |
|9038Sr |Sr-90 |38 |90 |38 |38 |52 |
| | | | | | | |
|188O |O-18 |8 |18 |8 |8 |10 |
| | | | | | | |
|4118Ar |Ar-41 |18 |41 |18 |18 |23 |
| | | | | | | |
|12250Sn |Sn-122 |50 |122 |50 |50 |72 |
| | | | | | | |
|13153I |I-131 |53 |131 |53 |53 |78 |
| | | | | | | |
|2612Mg |Mg-26 |12 |26 |12 |12 |14 |
| | | | | | | |
|10947Ag |Ag-109 |47 |109 |47 |47 |62 |
| | | | | | | |
|21H |H-2 |1 |2 |1 |1 |1 |
| | | | | | | |
|3616S |S-36 |16 |36 |16 |16 |20 |
| | | | | | | |
|5523V |V-55 |23 |55 |23 |23 |32 |
| | | | | | | |
|2713Al |Al-27 |13 |27 |13 |13 |14 |
| | | | | | | |
|42He |He-4 |2 |4 |2 |2 |2 |
| | | | | | | |
|5324Cr |Cr-53 |24 |53 |24 |24 |29 |
Use the atomic & mass numbers to determine the number of protons, neutrons, & electrons in each atom. Then fill in the numbers in the diagrams.
1.
2. Sulfur – Atomic number 16
Mass number 32
[pic]
3. Beryllium - Atomic number 4
Mass number 9
[pic]
4. Nitrogen - Atomic number 7
Mass number 14
[pic]
5. Sodium - Atomic number 11
Mass number 23
[pic]
6. Potassium - Atomic number 19
Mass number 39
[pic]
7. Argon - Atomic number 18
Mass number 40
[pic]
-----------------------
16
16
16
4
4
5
7
7
7
11
11
12
18
19
19
20
18
22
................
................
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