Q. No.Eka aluminium and Eka silicon are now known as:
| 1. | Ga and Ge | 2. | Al and Si |
| 3. | Fe and S | 4. | H+ and Si |
An example of metalloid elements in the periodic table is:
| 1. | Na and K | 2. | Cu and Al |
| 3. | As and Si | 4. | Ca and Mg |
All the non-metals in the long form of the periodic table are placed under:
1. s-Block
2. p-Block
3. f-Block
4. d-Block
The element named after Lawrence Berkeley Laboratory is:
1. Seaborgium
2. Lawrencium
3. Moscovium
4. Hafnium
1. 107
2. 118
3. 126
4. 102
1. Curium (Z = 96)
2. Californium (Z = 98)
3. Uranium (Z = 92)
4. Terbium (Z = 65)
The elements with atomic numbers 35, 53, and 85 are:
| 1. | Noble gases | 2. | Halogens |
| 3. | Heavy metals | 4. | Light metals |
Correct statement regarding transuranic elements is :
1. They have higher atomic number than uranium.
2. They are lighter than uranium.
3. They have lower atomic number than uranium.
4. They have same atomic number as uranium.
In the modern periodic table, the period number directly signifies which of the following characteristics for the elements belonging to that period?
| 1. | Magnetic quantum number of any element of the period |
| 2. | Atomic number of any element of the period |
| 3. | Maximum principal quantum number of any element of the period |
| 4. | Maximum azimuthal quantum number of any element of the period |
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