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प्रश्न
Electron, proton, neutron are the types of ______ in an atom.
उत्तर
Electron, proton, neutron are the types of subatomic particles in an atom.
संबंधित प्रश्न
ANSWER IN DETAIL
How are isobars different from isotopes ?
Write the names of the elements present in the following compound.
Common salt
Write the names of the elements present in the:-
Ammonia
Write the names of the elements present in the:-
Glucose
Fill in the blank
An ion with positive charge is called ______
Define: Mass number
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
Fill in the blank
If an atom gains an electron, it is called an _______
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.
Deduce from the datum provided.
| Datum | To deduce |
| \[\ce{_11^23Na}\] | Neutron number |
| \[\ce{_6^14C}\] | Mass number |
| \[\ce{_17^37 Cl}\] | Proton number |
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
A radical take part – unsplit in a chemical reaction and retains its identity in reactions.
With reference to the radical –
- ammonium
- bisulphate
- carbonate
state the group of atoms present in each radical.
Select the correct answer to the statement given below:
The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.
Project.
To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.
Define the following term with an example.
Compound
1 mole of Gold and Silver contain same number of atoms.
An atom of Oxygen (O) and two atoms of hydrogen (H.) combine to form a molecule of ______.
What are the 3 most abundant atoms on the earth?
The first scientific theory about atoms was given by J J. Thomson.
