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प्रश्न
The basic unit of matter is ______.
पर्याय
element
atom
molecule
electron
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उत्तर
The basic unit of matter is atom.
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संबंधित प्रश्न
Define:- Molecule
Write the names of the elements present in the:-
Glucose
Write the names of `("NH"_4)_2"SO"_4` compounds:
Write the names of `"Na"_3"PO"_4` compounds :
State Dalton’s atomic theory.
Name the particle or particles you would expect to find in :
The nucleus of an atom
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is such a particle called ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
Fill in the blank
If an atom gains an electron, it is called an _______
Fill in the blank
A charged particle is called an _____
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
Why is it not possible to see an atom even with the most powerful microscope ?
Is it possible to see atoms these days ? Explain your answer.
Electron, proton, neutron are the types of ______ in an atom.
Match the pairs.
| Group 'A' | Group 'B' |
| a. Proton | i. Negatively charged |
| b. Electron | ii. Neutral |
| c. Neutron | iii. Positively charged |
Draw diagrams representing the atomic structures of the following:
- Sodium atom
- Chlorine ion
- Carbon atom
- Oxygen ion
Select the correct answer to the statement given below:
Imaginary path around the nucleus of an atom in which electrons revolve.
A compound containing one atom of carbon and two atoms of oxygen is ______.
Name the sub-atomic particles.
The ______ are combination of atoms of various elements or the same element.
