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प्रश्न
How does the electropositive character of elements change on going down in a group of the periodic table?
उत्तर
The electropositive character of the elements increases on going down in a group of the periodic table.
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संबंधित प्रश्न
Write the electronic configuration of K and Ne.
Name the element that has two shells, both of which are completely filled with electrons.
How does the number of valence electrons vary on moving from left or right in the second period of the periodic table?
Complete the following sentences.
The properties of the elements are a periodic function of their …………… (atomic number, mass number, reative atomic mass).
Select the correct answer
Most reactive character among the elements given below is found in
How many elements are there in period 2?
Consider the section of the periodic table given below :
| Group numbers |
IA | IIA | IIIA | IVA | VA | VIA | VIIA | O |
| 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 | |
| Li | D | O | J | Ne | ||||
| A | Mg | E | Si | H | K | |||
| B | C | F | G | L |
With reference to the table, answer the following :
(i) Which is the most electro negative ?
(ii) How many valence electrons are present in G ?
(iii) Write the formula of the compound between B and H ?
(iv) In the compound between F and J, what type of bond will be formed ?
(v) Draw the electron dot structure for the compound formed between C and K.
Fill in the blank and rewrite the completed statement:
________ group in the periodic table contains elements that are all gases at room temperature.
Based on the group valency of element write the molecular formula of the following compound giving justification:
Halide of the elements of group thirteen
Name the elements in Period 1.
