Advertisements
Advertisements
प्रश्न
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?
Advertisements
उत्तर
Same atomic number.
APPEARS IN
संबंधित प्रश्न
What are the atomic numbers of elements whose outermost electrons is represented by 3s1.
What are the atomic numbers of elements whose outermost electrons is represented by 3p5?
Write true or false for the following statement
An atom on the whole has a positive charge.
Give the following a suitable word/phrase.
Atoms of same element with same atomic number but a different mass number.
Match the atomic numbers 4,8,10,15 and 19 with the following:
Element with four shells
State the main postulates of Dalton’s atomic theory.
If an atom ‘A’ has mass number 35 and atomic number 17, state the number of protons, electrons and neutrons it contains.
The diagram represents an isotope of hydrogen [H]. Answer the following:

Atomic no. = 1
Mass no. = 1
If an isotope of ‘H’ has mass no. = 3, how many neutrons does it have.
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 | ______ |
What is mass number of an atom?
