IIT JEE : Chemical Families Periodic Properties QUESTIONS AND ANSWERS :: part1 : 1 to 5
Following IIT JEE Entrance Multiple choice objective type questions and answers will help you in Maths, Physics and Chemistry 2024 examinations :
1.Which of the following is a bridge element? |
| Be |
| Cl |
| K |
| P. |
2.The ionization energy of nitrogen is more than that of oxygen because |
| Nitrogen has half-filled p-orbital |
| Nitrogen atom is smaller in size than oxygen atom |
| Nitrogen atom is smaller in size than oxygen atom |
| Nitrogen is less electronegative. |
3.In the long form of periodic table, elements are arranged according to |
| increasing atomic number |
| decreasing atomic number |
| increasing atomic mass |
| decreasing atomic mass. |
4.The most electronegative and the most electropositive elements of the first period is/are |
| H and He |
| Na and Cl |
| Li and F |
| H and H. |
5.Which of the following statements is not correct? |
| Among halogens, oxidizing behaviour increases down the group |
| Among alkali metals, reducing character increases down the group |
| Fluorine is the most electronegative elements |
| Lithium is the hardest metal among alkali metals. |
More Chemical Families Periodic Properties QUESTIONS AND ANSWERS available in next pages
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