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Question
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
Are isotopes atoms of the same element or different elements.
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Solution
Isotopes atoms are of the same element.
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RELATED QUESTIONS
Complete the following table.
| Atomic number | Mass number | Number of Neutrons | Number of protons | Number of electrons | Name of the Atomic species |
| 9 | - | 10 | - | - | - |
| 16 | 32 | - | - | - | Sulphur |
| - | 24 | - | 12 | - | - |
| - | 2 | - | 1 | - | - |
| - | 1 | 0 | 1 | 0 | - |
Multiple Choice Questions
The sum of number of protons and number of neutrons present in the nucleus of an atom is called its
What are the two main features of Rutherford’s atomic model?
The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What is its atomic number and mass number?
What is the significance of atomic numbers in the modern Periodic Table?
Differentiate mass number from atomic number.
Give short answer:
what is the atomic mass number? mention its formula.
Every atom has an equal number of protons and electrons. The nature of the atom is ______.
A ______ number describes a specific aspect of an electron.
Match the following:
| Column A | Column B | ||
| 1. | K shell | a. | 8 |
| 2. | L shell | b. | 32 |
| 3. | M shell | c. | 2 |
| 4. | N shell | d. | 18 |
