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प्रश्न
Identify the bond between H and F in the HF molecules.
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उत्तर
The nature of the bond in the HF molecule is ionic.
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संबंधित प्रश्न
Why do we classify elements?
The element which forms a basis oxide has the atomic number of:
(a) 18
(b) 17
(c) 14
(d) 19
The elements A, B and C belong to groups 1, 14, and 17 respectively of the periodic table.
(a) Which two elements will form a covalent compound?
(b) Which two elements will form an ionic compound?
In which block of the modern periodic table are the nonmetals found?
Why was this basis of classification discarded for future classification of elements?
Match the following
| 1. | Galvanisation | Noble gas elements |
| 2. | Calcination | Coating with Zn |
| 3. | Redox reaction | Silver-tin amalgam |
| 4. | Dental filling | Alumino thermic process |
| 5. | Group 18 elements | Heating in the absence of air |
Which of the following property will be common in group 1 elements?
Which of the following elements does not lose an electron easily?
Arrange the following elements in the order of their decreasing metallic character
Na, Si, Cl, Mg, Al
Complete the following triads by inserting the missing elements.
Ca, ______, Ba
