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प्रश्न
Define the term ions or radicals.
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उत्तर
An atom or a group of atoms when they either lose or gain electrons, get converted into ions or radicals.
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संबंधित प्रश्न
Why is it not possible to see an atom with naked eyes?
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 |
Write the names of the elements present in the:-
Acetic acid
Define: Mass number
Name the unit in which the radius of an atom is usually expressed.
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
Assertion: An atom is electrically neutral.
Reason: Atoms have equal number of protons and electrons.
An atom of Oxygen (O) and two atoms of hydrogen (H.) combine to form a molecule of ______.
What is the fundamental particle of an element?
What are the 3 most abundant atoms on the earth?
