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प्रश्न
The groups 1 and 2 constitute the _______ block.
विकल्प
s
p
d
q
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उत्तर
The groups 1 and 2 constitute the s block.
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संबंधित प्रश्न
In the Modern Periodic Table, which are the metals among the first ten elements?
How many periods and groups are there in the long form of periodic table?
Give two example of group 17 elements.
How were the positions of cobalt and nickel resolved in the modern periodic table?
The atomic numbers of four elements P, Q, R and S are 6, 8, 14 and 16 respectively. Out of these, the element known as metalloid is:
(a) P
(b) Q
(c) R
(d) S
What is the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
What is the fundamental difference in the electron configurations between the group 1 and group 2 elements?
What is a group in the periodic table?
From the standpoint of atomic structure, what determines which element will be the first and which the last in a period the periodic table?
What are the groups in a periodic table? Give two characteristics of each.
Define:
Periodic table
Name the metals in the first twenty elements.
Give the symbol and valency of the following element and radical.
Sodium
Give the symbol and valency of the following element and radical.
Zinc
State what is meant by the term chemical formula.
Give the chemical formula of sodium bicarbonate
Give the chemical formula of sodium sulphite
Give the chemical formula of ammonium sulphate
Fill in the blank:
The element lithium in the Modern Periodic Table with valency 1+ belongs to the group ______.
Which of the following statements about the Modern periodic table is correct?
Group 13 to 18 : p block : : _______ : d block
The modern periodic table is divided into which blocks?
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
Distinguish between:
s-block - p-block
Distinguish between:
Group 17 - Group 18
Elements in the modern periodic table are arranged in ______groups and______ periods.
The scientist who propounded the modern periodic law is ______.
______ and ______ are called inner transition elements.
The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?
If an element X is placed in group 14, what will be the formula and the nature of bonding of its chloride?
Arrange the following elements in the increasing order of their metallic character
| Mg, | Ca, | K, | Ge, | Ga |
Explain the position of hydrogen in the periodic table.
Define periods of modern periodic table.
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
Answer the following in respect of element \[\ce{_16^32S}\].
To which group and period does it belong?
Answer the following in respect of element \[\ce{_16^32S}\].
Give its formula with hydrogen.
