To solve this worksheet, we need to find the information for each element using a Periodic Table. Since I cannot see your specific periodic table, I will use the standard values found on most modern periodic tables (based on atomic number and rounded atomic mass).
Here is the step-by-step breakdown for each element:
1. Hydrogen (H)
*
Atomic Number: 1 (This is the number of protons)
*
Atomic Mass: ~1.008 (We usually round this to
1)
*
Symbol: H
*
# of protons: Same as atomic number =
1
*
# of electrons: In a neutral atom, same as protons =
1
*
# of neutrons: Atomic Mass - Atomic Number ($1 - 1$) =
0
2. Boron (B)
*
Atomic Number: 5
*
Atomic Mass: ~10.81 (Round to
11)
*
Symbol: B
*
# of protons: 5
*
# of electrons: 5
*
# of neutrons: $11 - 5$ =
6
3. Aluminum (Al)
*
Atomic Number: 13
*
Atomic Mass: ~26.98 (Round to
27)
*
Symbol: Al
*
# of protons: 13
*
# of electrons: 13
*
# of neutrons: $27 - 13$ =
14
4. Sulfur (S)
*
Atomic Number: 16
*
Atomic Mass: ~32.06 (Round to
32)
*
Symbol: S
*
# of protons: 16
*
# of electrons: 16
*
# of neutrons: $32 - 16$ =
16
5. Oxygen (O)
*
Atomic Number: 8
*
Atomic Mass: ~16.00 (Round to
16)
*
Symbol: O
*
# of protons: 8
*
# of electrons: 8
*
# of neutrons: $16 - 8$ =
8
6. Helium (He)
*
Atomic Number: 2
*
Atomic Mass: ~4.00 (Round to
4)
*
Symbol: He
*
# of protons: 2
*
# of electrons: 2
*
# of neutrons: $4 - 2$ =
2
7. Potassium (K)
*
Atomic Number: 19
*
Atomic Mass: ~39.10 (Round to
39)
*
Symbol: K
*
# of protons: 19
*
# of electrons: 19
*
# of neutrons: $39 - 19$ =
20
8. Sodium (Na)
*
Atomic Number: 11
*
Atomic Mass: ~22.99 (Round to
23)
*
Symbol: Na
*
# of protons: 11
*
# of electrons: 11
*
# of neutrons: $23 - 11$ =
12
9. Carbon (C)
*
Atomic Number: 6
*
Atomic Mass: ~12.01 (Round to
12)
*
Symbol: C
*
# of protons: 6
*
# of electrons: 6
*
# of neutrons: $12 - 6$ =
6
***
Final Answer:
Hydrogen
* Atomic Number: 1
* Atomic Mass: 1
* Symbol: H
* # of protons: 1
* # of electrons: 1
* # of neutrons: 0
Boron
* Atomic Number: 5
* Atomic Mass: 11
* Symbol: B
* # of protons: 5
* # of electrons: 5
* # of neutrons: 6
Aluminum
* Atomic Number: 13
* Atomic Mass: 27
* Symbol: Al
* # of protons: 13
* # of electrons: 13
* # of neutrons: 14
Sulfur
* Atomic Number: 16
* Atomic Mass: 32
* Symbol: S
* # of protons: 16
* # of electrons: 16
* # of neutrons: 16
Oxygen
* Atomic Number: 8
* Atomic Mass: 16
* Symbol: O
* # of protons: 8
* # of electrons: 8
* # of neutrons: 8
Helium
* Atomic Number: 2
* Atomic Mass: 4
* Symbol: He
* # of protons: 2
* # of electrons: 2
* # of neutrons: 2
Potassium
* Atomic Number: 19
* Atomic Mass: 39
* Symbol: K
* # of protons: 19
* # of electrons: 19
* # of neutrons: 20
Sodium
* Atomic Number: 11
* Atomic Mass: 23
* Symbol: Na
* # of protons: 11
* # of electrons: 11
* # of neutrons: 12
Carbon
* Atomic Number: 6
* Atomic Mass: 12
* Symbol: C
* # of protons: 6
* # of electrons: 6
* # of neutrons: 6
Parent Tip: Review the logic above to help your child master the concept of periodic table of elements worksheet pdf.
