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प्रश्न
Name and state the following with reference to the elements of the first three periods of the periodic table.
A covalent compound formed by an element in period 2 and a halogen.
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उत्तर
Carbon tetrachloride (CCl4)
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संबंधित प्रश्न
On the basis of electronic configuration, how will you identify chemically similar elements?
Name the metals in the first twenty elements.
State the main aim of classifying elements. Which is the more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?
Answer the following question.
Define the atomic size. Give its unit of measurement. In the modern periodic table what trend is observed in the atomic radius in a group and a period and why is it so?
Give the symbol and valency of the following element and radical.
Chlorine [Chloride]
What are the periods in a periodic table?
Which of these belong to the same period?
| Element | A | B | C |
| Atomic number | 2 | 10 | 5 |
The longest period of the Modern Periodic Table is period.
Spot the error:
The elements of group 13 are called the carbon family.
Explain giving reason why although the nuclear charge in atoms increases in moving from left to right in a period as well as in moving from top to bottom in a group in the Modern periodic table, but the size of the atoms does not vary similarly in both situations.
