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प्रश्न
State Dalton’s atomic theory.
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उत्तर
- Matter is made up of tiny particles called atoms
- Atoms are indivisible.
- Atom can be neither be created nor destroyed.
- Atoms of same element are identical in mass and properties
- Atoms of different elements differ in mass and properties
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संबंधित प्रश्न
Why is it not possible to see an atom with naked eyes?
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
WRITE SHORT ANSWER
Name three inert gases.
What does the word ‘atom’ mean?
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
Define: An Atom:
Fill in the blank
If an atom loses an electron, it acquires ______ a charge.
Why is it not possible to see an atom even with the most powerful microscope ?
State two observations which show that atom is not indivisible.
Calculate the number of moles in 12.044 × 1025 atoms of phosphorus.
Electron, proton, neutron are the types of ______ in an atom.
Draw the electron dot structure of this compound.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
The volume occupied by 1 mole of a diatomic gas at S.T.P is ______
The number of atoms present in a molecule is called its ______.
A change in the physical state can be brought about
The most abundant type of atom is the universe is ______.
The ______ are combination of atoms of various elements or the same element.
