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प्रश्न
What does the word ‘atom’ mean?
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उत्तर
“atom” means‘indivisible”
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संबंधित प्रश्न
MATCH THE COLUMNAS
| 1. Jpham Dalton | a. Neutrons |
| 2. Atom | b. Model of the atom |
| 3. Chadwick | c.The atomic theory of matter |
| 4. Rutherfrod | d. Positively charged |
| 5. Protons | e. Electricity neutral |
| 6. Nuclear fusion | f. Generator of electricity |
| 7.Gamma -rays | g. High penetrating power |
| h.Energy in sun |
TRUE \ FALSE
Elements combine in definite proportions to form compounds.
ANSWER IN DETAIL
How are isobars different from isotopes ?
Define:- Atom
Define:- Radicals
Write the names of the elements present in the:-
Glucose
Define: Relative atomic mass
Give two examples for each of ionic and covalent bond.
Name the particle or particles you would expect to find in :
The orbit of an atom
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.
One nm is equal to :
Which has more atoms, 50 g of aluminium or 50 g of iron ? Illustrate your answer with the help of calculations.
(Atomic masses : Al = 27 u ; Fe = 25 u)
What is the contribution of the following in atomic structure?
Maharshi Kanada
State true or false. If false, correct the statement.
The basic unit of an element is molecule.
Atoms of different elements having the same number of ______ are called isotones.
1 mole of Gold and Silver contain same number of atoms.
Which of the following has maximum number of atoms?
The ______ are combination of atoms of various elements or the same element.
