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प्रश्न
Define the following term with an example.
Metal
उत्तर
Metal: A chemical element that is an effective conductor of electricity and heat can be defined as a metal.
Ex.: Copper, Iron, Silver, etc.
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संबंधित प्रश्न
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
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 |
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