Advertisements
Advertisements
प्रश्न
Complete the following table.
| Atomic Number | Mass Number | Number of Neutrons | Number of Protons | Number of Electrons | Name of the Element |
| 9 | ______ | 10 | ______ | ______ | ______ |
| 16 | ______ | 16 | ______ | ______ | ______ |
| ______ | 24 | ______ | ______ | 12 | Magnesium |
| ______ | 2 | ______ | 1 | ______ | ______ |
| ______ | 1 | 0 | 1 | 1 | ______ |
Advertisements
उत्तर
| Atomic Number | Mass Number | Number of Neutrons | Number of Protons | Number of Electrons | Name of the Element |
| 9 | 19 | 10 | 9 | 9 | Potassium |
| 16 | 32 | 16 | 16 | 16 | Sulphur |
| 12 | 24 | 12 | 12 | 12 | Magnesium |
| 1 | 2 | 1 | 1 | 1 | Deuterium |
| 1 | 1 | 0 | 1 | 1 | Hydrogen |
APPEARS IN
संबंधित प्रश्न
What are the atomic numbers of elements whose outermost electrons is represented by 3s1.
Fill in the blank
An ion which has a positive charge is called a ..................
Fill in the blanks.
Isotopes are the atoms of ______ element having the ______ atomic number but ______ mass number.
The atomic number and the mass number of sodium are 11 and 23 respectively. What information is conveyed by this statement.
If an atom ‘A’ has mass number 35 and atomic number 17, state the number of protons, electrons and neutrons it contains.
If an atom ‘A’ has atomic number 19 and mass number 39, state –
- Its electronic configuration.
- The number of valence electrons it possesses.
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.
A ______ number describes a specific aspect of an electron.
The elementary particles such as protons and neutrons are collectively called ______.
Mass No. 27 is for the element ______.
