Advertisements
Advertisements
प्रश्न
What is meant by atomic mass number?
उत्तर
Atomic Mass Number is the sum of the total number of protons and neutrons present in a nucleus.
संबंधित प्रश्न
Define the atomic mass unit.
Define gram atomic mass of a substance. How much is the gram atomic mass of oxygen ?
What are polyatomic ions? Give two examples.
Define atomic mass unit.
Choose the correct answer from the option given below.
Modern atomic symbols are based on the method proposed by
Explain the following:
An element has atoms with different mass numbers.
Write down the mass number of the atom having 20 neutrons and 15 protons.
Select the correct answer from the answer in the bracket to complete the sentence.
An element has electronic configuration 2, 8, 1 and 12 neutrons. Its mass no. is ________.
The sum of the numbers of protons and neutrons of an atom is called its ______
Relative atomic mass is otherwise known as ______.
