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प्रश्न
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
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उत्तर
What is the atomic number of the atom = 13
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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 having a tendency to accept electrons are called metals
TRUE \ FALSE
Neils Bohr gave the theory to explain the arrangement of protons in an atom.
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Glucose
Write the names of the elements present in the:-
Acetic acid
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If an atom loses an electron, it acquires ______ a charge.
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Give scientific reason.
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| Group 'A' | Group 'B' |
| a. Proton | i. Negatively charged |
| b. Electron | ii. Neutral |
| c. Neutron | iii. Positively charged |
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A compound containing one atom of carbon and two atoms of oxygen is ______.
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The first scientific theory about atoms was given by J J. Thomson.
