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प्रश्न
State the number of elements in Period 1 of the Periodic Table.
उत्तर
Period 1 is the shortest period has 2 elements
संबंधित प्रश्न
Fill in the blank:
The modern periodic table consists of ……………. periods.
What is meant by a period, in a periodic table?
What is the name of those elements which divide metals and non-metals in the periodic table?
What do you understand by typical elements?
Name the type of elements which have two outermost shell incomplete.
State the main aim of classifying elements. Which is the more fundamental property of elements that is used in the development of Modern Periodic Table? Name and state the law based on this fundamental property. On which side of the periodic table one can find metals, non-metals and metalloids?
From the standpoint of atomic structure, what determines which elements will be the first and which the last in a period of the periodic table?
Give the symbol and valency of the following element and radical.
Nitrate
The groups 1 and 2 constitute the _______ block.
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 |
Write the molecular formula of the compound formed by the combination:
E and B
