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प्रश्न
What is atomic number?
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उत्तर
The number of electrons or protons in an atom is called the atomic number of that atom. It is represented by the letter Z.
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संबंधित प्रश्न
Explain the Atomic number with example.
Give the following a suitable word/phrase.
Atoms of same element with same atomic number but a different mass number.
The atom of an element is made up of 4 protons, 5 neutrons and 4 electrons. What is its atomic number and mass number?
The mass number of an element is 23 and it contains 11 electrons. What is the number of protons and neutrons in it? What is the atomic number of the element?
Give reason
Actual atomic mass is greater than mass number.
Match the atomic numbers 4,8,10,15 and 19 with the following:
Element with four shells
What are nucleons? How many nucleons are present in Phosphorous? Draw its structure.
The particles that make up the atom are called ______ particles.
K and L shells can accommodate a maximum of 2 and 8 electrons respectively.
In which one of the following, the number of protons is greater than the number of neutrons but number of protons is less than the number of electrons?
