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प्रश्न
Copy and complete the following table relating to the atomic structure of some elements:
| Element | Atomic Number | Mass Number | Number of protons | Number of Neutrons | Number of Electrons |
| Beryllium | 4 | 9 | |||
| Fluorine | 9 | 10 | |||
| Sodium | 12 | 11 | |||
| Aluminium | 27 | 13 | |||
| Phosphorus | 31 | 15 |
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उत्तर
| Element | Atomic Number | Mass Number | Number of protons | Number of Neutrons | Number of Electrons |
| Beryllium | 4 | 9 | 4 | 5 | 4 |
| Fluorine | 9 | 19 | 9 | 10 | 9 |
| Sodium | 11 | 23 | 11 | 12 | 11 |
| Aluminium | 13 | 27 | 13 | 14 | 13 |
| Phosphorus | 15 | 31 | 15 | 16 | 15 |
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संबंधित प्रश्न
Give electron dot diagram of the following:
Magnesium chloride
Give reason
`""_17^35"CI"` and `""_17^37"CI"` do not differ in their chemical reactions.
An element M burns in oxygen to form an ionic compound MO. Write the formula of the compounds formed if this element is made to continue with chlorine and sulfur separately.
State the type of bond between Y and Z and give its molecular formula.
Give the orbital diagram of the following:
Magnesium chloride
State the type of bonding in the following molecules.
Water,
State the type of bonding in the following molecules.
Calcium oxide
Identify the following reaction as either oxidation or reduction:
K - e- → K+
The element that would form anion by gaining electrons in a chemical reaction is ______.
How many electrons are required or released by each atom in chlorine to attain the nearest noble gas configuration?
