Advertisements
Advertisements
प्रश्न
State the mass number, the atomic number, number of neutrons and electronic configuration of the following atoms.
`""^12""_6C, ""^16""_8O, ""^19""_9F, ""^20""_10Ne, ""_13""Al""^27, ""_17""Cl""^35`
Also, draw atomic diagrams for them.
Advertisements
उत्तर
| Name of elements | Atomic number | Atomic mass |
No of proton |
No of electrons |
no.of neutrons |
Electronic configuration |
| `""^12""_6C` | 6 | 12 | 6 | 6 | 6 | 2, 4 |
| `""^16""_8O` | 8 | 16 | 8 | 8 | 8 | 2, 6 |
| `""^19""_9F` | 9 | 19 | 9 | 9 | 10 | 2, 7 |
| `""^20""_10Ne` | 10 | 20 | 10 | 10 | 10 | 2, 8 |
| `""_13""Al""^27` | 13 | 27 | 13 | 13 | 14 | 2, 8, 3 |
| `""_17""Cl""^35` | 17 | 35 | 17 | 17 | 18 | 2, 8, 7 |
| Carbon `""^12""_6C` | ![]() |
| Oxygen `""^16""_8O` | ![]() |
| Fluorine `""^19""_9F` | ![]() |
| Neon `""^20""_10Ne` | ![]() |
| Aluminium `""_13""Al""^27` | ![]() |
| Chlorine `""_17""Cl""^35` | ![]() |
APPEARS IN
संबंधित प्रश्न
Multiple Choice Questions
If the atomic number of an atom is 17 and mass number is 35 then number of neutron will be
What are the two main features of Rutherford’s atomic model?
The mass number of an element is 18. It contains 7 electrons. What is the number of protons and neutrons in it? What is the atomic number of the element?
The atom of an element X has 7 electrons in its M shell.
What is the atomic number of element X?
The properties of the elements are a periodic function of their __________.
Match the atomic numbers 4,8,10,15 and 19 with the following:
Element with 6 valence electrons
State why the atomic weight of an element is also termed relative atomic mass.
The diagram represents an isotope of hydrogen [H]. Answer the following:

Atomic no. = 1
Mass no. = 1
Do isotopes have the same atomic number or the same mass number?
The diagram represents an isotope of hydrogen [H]. Answer the following:

Atomic no. = 1
Mass no. = 1
Which sub-atomic particles in the 3 isotopes of ‘H’ are the same.
Every atom has an equal number of protons and electrons. The nature of the atom is ______.






