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प्रश्न
Group 13 to 18 : p block : : _______ : d block
उत्तर
Group 13 to 18 : p block : : Group 3 to 12 : d block
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संबंधित प्रश्न
In the Modern Periodic Table, which are the metals among the first ten elements?
Write the names given to the vertical columns and horizontal rows in the Modern Periodic Table. How does the metallic character of elements vary on moving down a vertical column? How does the size of atomic radius vary on moving left to right in a horizontal row? Give reason in support of your answer in the above two cases.
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
Which element has the electronic configuration 2, 8, 2?
State whether the following statement is true or false:
On going down in a group of the periodic table, the number of valence electrons increases.
What is a period in a periodic table?
On the basis of electronic configuration, how will you identify chemically similar elements?
On the basis of electronic configuration, how will you identify the first element of a period?
What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
What are the merits of the modern periodic table of 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 periods in a periodic table? Give two characteristics of each.
Which of the following are the correct characteristics of isotopes of an element?
(i) same atomic mass
(ii) same atomic number
(iii) same physical properties
(iv) same chemical properties
(a) (i), (ii) and (iv)
(b) (ii), (iii) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)
How many groups and periods does the modern periodic table have?
What are horizontal rows and vertical columns in a periodic table known as?
Correct the statement.
Transition elements are placed at extreme right of the periodic table.
What do you understand by typical elements?
Name the type of elements which have one electron short of octet.
State its position in the periodic table?
Write the number of protons, neutrons and electronic configuration of \[\ce{_19^39K, _15^31P}\]. Also state their position in periodic table.
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?
In the Modern Periodic Table – atoms of all elements are arranged according to their increasing order of – atomic numbers. An atom of nitrogen has seven protons and seven electrons. State what would be its atomic number.
Give the symbol and valency of the following element and radical.
Hydrogen
Give the symbol and valency of the following element and radical.
Nitrogen [Nitride]
Give the symbol and valency of the following element and radical.
Ammonium
Give the symbol and valency of the following element and radical.
Bisulphate
Give the chemical formula of sodium nitrate
Give the chemical formula of carbonic acid
Which of the following statements about the Modern periodic table is correct?
What are groups and periods in the modern periodic table?
______ forms the basis of the modern periodic table.
The amount of energy released when one or more electrons is added to the neutral atom is ______
Which of the following elements does not lose an electron easily?
Which of the following elements will form an acidic oxide?
“Hydrogen occupies a unique position in Modern Periodic Table”. Justify the statement.
Define periods of modern periodic table.
Name the metalloids in the first twenty elements.
Give reason for the following:
Inert gases do not form ion.
