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प्रश्न
Supply the missing word from those in bracket:
If an element has one electron in its outermost energy level [shell] then it is likely to be _______.
पर्याय
metallic
non- metallic
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उत्तर
If an element has one electron in its outermost energy level [shell] then it is likely to be metallic.
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संबंधित प्रश्न
Fill in the blank:
The formulae of chloride of metal M is MCl2. The metal M belongs to ……………. group.
Write the number of vertical columns in the modern periodic table. What are these columns called?
Match the atomic number 2, 4, 8, 15 and 19 with each of the following:
- A solid non-metal belonging to the third period.
- A metal of valency 1.
- A gaseous element with valency 2.
- An element belonging to Group 2.
- A rare gas.
Name the element which is in seventeenth group and second period.
Explain why, the properties of elements are repeated after 2, 8, 18 and 32 elements in the periodic table.
Given alongside is a part of the periodic table. As we move vertically downward from Li to fr?
| Li | Be |
| Na | |
| K | |
| Rb | |
| Cs | |
| Fr | |
| rA | Ra |
What happens to the size of atoms?
Name two properties of elements whose magnitudes change when going from top to bottom in a group of the periodic table. In what manner do they change?
Choose the most appropriate answer from the following list of oxides which fit the description.
An amphoteric oxide: Al2O3 (shows both acidic and basic properties)
The similarities in the properties of a group of elements are because they have the same ______.
State the property trends in general of elements on moving from left to right in a period of the periodic table.
