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प्रश्न
Complete the following flow chart.
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उत्तर
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संबंधित प्रश्न
In the Modern Periodic Table, which are the metals among the first ten elements?
In the Modern Periodic Table, calcium (atomic number 20) is surrounded by elements with atomic numbers 12, 19, 21, and 38. Which of these have physical and chemical properties resembling calcium?
What is periodicity in properties of elements with reference to the Modern Periodic Table?
What is meant by a period, in a periodic table?
On which side of the periodic table will you find non-metals?
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
Explain why All the elements of a group have similar chemical properties.
What is the usual number of valence electrons and valency of group 18 elements of the periodic table?
In the modern Periodic Table, why does cobalt with higher atomic mass of 58.93 appear before nickel having lower atomic mass of 58.71?
What are the groups in a periodic table? Give two characteristics of each.
What are horizontal rows and vertical columns in a periodic table known as?
Correct the statement.
Copper and zinc are representative elements.
Name two elements in Inert gas.
Name the type of elements which have outermost shell incomplete.
Answer the following in respect of element `31/15 P `
To which group and period does it belong?
Name the noble gas with 3 shells.
State the modern periodic law for classification of elements. How many (i) groups and (ii) periods are there in the modern periodic table?
Write a short note.
Position of isotopes in the Mendeleev’s and the modern periodic table.
What is meant in the periodic table by a period?
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.
Bicarbonate
Give the chemical formula of sodium bicarbonate
Give the chemical formula of calcium phosphate
What are the elements.
Which of the following statements about the Modern periodic table is correct?
The modern periodic table shows the molecular masses of the elements in each frame.
Elements in the modern periodic table are arranged in ______groups and______ periods.
What are groups and periods in the modern periodic table?
What is the symbol of the element Tungsten?
Three elements A, B and C have 3, 4 and 2 electrons respectively in their outermost shell. Give the group number to which they belong in the Modern Periodic Table. Also, give their valencies.
Choose an element from period 3 of modern periodic table that matches the description given below in instance. Give a reason for your choice.
It has a similar structure to diamond.
Group 16 elements are collectively called as ______.
______ group elements are called alkaline earth metals.
Spot the error:
The elements of group 13 are called the carbon family.
Spot the error:
There are 5 periods and 17 groups in the modern periodic table.
Define periods of modern periodic table.
Answer the following in respect of element \[\ce{_16^32S}\].
Give its electronic configuration.
