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प्रश्न
A part of modern periodic table is given below. On its basis, answer the following questions:
| Group No. → | 1 | 2 | 13 | 14 | 15 | 16 | 17 | 18 |
| Period ↓ | ||||||||
| 2 | A | B | ||||||
| 3 | E | D | F | C |
Which of the element is a Metalloid?
उत्तर
Element D shows the properties of both metals and non-metals. Hence, it is a metalloid.
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संबंधित प्रश्न
Would you place the two isotopes of chlorine, CI-35 and CI-37 in different slots because of their different atomic masses or in the same slot because their chemical properties are the same? Justify your answer.
What are the periods in a periodic table? Give two characteristics of each.
Name two elements in each case:
Actinides
Name and state the following with reference to the elements of the first three periods of the periodic table.
A covalent compound formed by an element in period 2 and a halogen.
Give the symbol and valency of the following element and radical.
Chlorine [Chloride]
State what the group number in the Modern Periodic Table signifies. Give a reason why elements in the same group, have similar valency and similar chemical properties.
Find the odd one out and give its explanation.
______ forms the basis of the modern periodic table.
The element which has the least tendency to lose electrons is ______
Match the atomic number with the following:
An element of group 2.
