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प्रश्न
Fill in the blank:
Atoms are _____
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उत्तर
Atoms are neutral.
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संबंधित प्रश्न
ANSWER IN DETAIL
Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?
Define:- Molecule
Write the names of the elements present in the:-
Ammonia
Define: Ions
Define: Relative atomic mass
Define: An Atom:
How is the size of an atom indicated ?
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
State two observations which show that atom is not indivisible.
Define the following term:
Atom
What is the contribution of the following in atomic structure?
Maharshi Kanada
Draw diagrams representing the atomic structures of the following:
- Sodium atom
- Chlorine ion
- Carbon atom
- Oxygen ion
State the meaning of the term – (a) atom, (b) molecule, (c) radical – with a suitable example.
The smallest particle of matter that can exist by itself is ______.
A compound containing one atom of carbon and two atoms of oxygen is ______.
Draw the structure of an atom and explain the position of the sub-atomic particles.
The volume occupied by 4.4 g of CO2 at S.T.P ______
Atoms of different elements having ______ mass numbers, but ______ atomic numbers are called isobars.
What is the fundamental particle of an element?
The first scientific theory about atoms was given by J J. Thomson.
