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प्रश्न
Draw diagrams representing the atomic structures of the following:
- Sodium atom
- Chlorine ion
- Carbon atom
- Oxygen ion
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उत्तर
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संबंधित प्रश्न
State Dalton’s atomic theory.
Name the particle or particles you would expect to find in :
The nucleus of an atom
Define: An Atom:
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the mass number of X?
An atom of element E contains 3 protons, 3 electrons and 4 neutrons :
(a) What is its atomic number?
(b) What is its mass number?
(c) Write the electronic configuration of the element E.
(d) State whether element E is a metal or non-metal. Why?
(e) What type of ion, cation or anion, will be formed by an atom of element E? Why
(f) Write the symbol of the ion formed by an atom of element E.
(g) What could element X be?
The electron shell ______ is nearest to the nucleus.
The smaller particles found in the atom is called ______.
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
1 mole of Gold and Silver contain same number of atoms.
Which of the following has maximum number of atoms?
