1
Question
Complete the chart:
Name of
the element
Symbol
of the element
Atomic
number
Mass
number
No. of
protons
No. of
electrons
No. of
neutrons
Electronic configuration Chlorine 17 35 18 K = 2 L = 8 M = 7
Complete the chart:
Name of the element | Symbol of the element | Atomic number | Mass number | No. of protons | No. of electrons | No. of neutrons | Electronic configuration | ||
| Chlorine | 17 | 35 | 18 | K = 2 | L = 8 | M = 7 | |||
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Solution
Identify the atomic symbol of Chlorine:
The chemical symbol of Chlorine =
Calculate the number of electrons and protons:
In a neutral atom,
Atomic number = number of protons = number of electrons
Thus,
Number of protons = 17
Number of electrons = 17
Thus, the complete table is:
Name of
the element
Symbol
of the element
Atomic
number
Mass
number
No. of
protons
No. of
electrons
No. of
neutrons
Electronic configuration Chlorine Cl 17 35 17 17 18 K = 2 L = 8 M = 7
Identify the atomic symbol of Chlorine:
The chemical symbol of Chlorine =
Calculate the number of electrons and protons:
In a neutral atom,
Atomic number = number of protons = number of electrons
Thus,
Number of protons = 17
Number of electrons = 17
Thus, the complete table is:
Name of the element | Symbol of the element | Atomic number | Mass number | No. of protons | No. of electrons | No. of neutrons | Electronic configuration | ||
| Chlorine | Cl | 17 | 35 | 17 | 17 | 18 | K = 2 | L = 8 | M = 7 |
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