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प्रश्न
Group 13 to 18 : p block : : _______ : d block
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उत्तर
Group 13 to 18 : p block : : Group 3 to 12 : d block
APPEARS IN
संबंधित प्रश्न
Write the merits of the modern periodic table over Mendeleev’s Periodic table
Fill in the following blank with suitable word:
Group 1 elements are called ...............
What is meant by a period, in a periodic table?
Give two example of group 17 elements.
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
How does the chemical reactivity of alkali metals vary on going in group 1 of the periodic table?
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 usual number of valence electrons and valency of group 18 elements of the periodic table?
What are the advantages of the periodic table?
The atomic numbers of the three elements X, Y and Z are 2, 6 and 10 respectively.
(i) Which two elements belong to the same group?
(ii) Which two elements belong to the same period?
Give reasons for your choice.
An element X belongs to 3rd period and group 2 of the periodic table. State:
(a) number of valence electrons
(b) valency
(c) metal or non-metal
(d) name of the element
Define:
Periodic table
What do you understand by typical elements?
Answer the following in respect of element `31/15 P`
Give its electronic configuration
An element barium has the atomic number 56. Look up its position in the periodic table and answer the following question.
Is it larger or smaller than caesium (Cs)?
State the modern periodic law.
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.
Chlorine [Chloride]
Give the symbol and valency of the following element and radical.
Hydroxide
Give the symbol and valency of the following element and radical.
Sulphite
Give the chemical formula of sodium hydroxide
Give the chemical formula of sodium bicarbonate
Name the following:
The group of the Modern Periodic Table to which calcium [Ca2+] belongs.
Find the odd one out and give its explanation.
Write an Explanation.
Period
Write scientific reason.
There was ambiguity about the correct position of hydrogen in Mendeleev’s periodic table.
In the modern periodic table, the positions of 1 to 20 elements are shown here. Identify the elements A and B. Write their atomic number.
How does the property vary in periods and in groups?
Element ‘X’ forms a chloride with the formula XCl2, which is solid with a high melting point. X would most likely be in the same group of the periodic table as: ______
An element which is an essential constituent of all organic compounds belongs to
Noble gases are placed in the ______ group in the modern periodic table.
The maximum number of electrons that can be accommodated in s, p,d, and f subshells are ______.
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
Give the criteria on the basis of which elements are placed (i) in a group and (ii) in a period in the modern periodic table. The atomic number of an element is 16. According to the criteria, in which group and period it should be placed?
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
What is the general name of the last elements of the Periodic Table?
Answer the following in respect of element \[\ce{_16^32S}\].
Give its formula with hydrogen.
Match the atomic number with the following:
A rare gas.
