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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
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संबंधित प्रश्न
How does the electronic configuration of an atom relate to its position in the Modern Periodic Table?
How many rows and columns are there in the modern periodic table?
Fill in the following blank with suitable word:
The horizontal rows in a periodic table are called ...............
What is meant by a period, in a periodic table?
What is the significance of atomic number in the modern classification of elements? Explain with the help of an example.
Which of the following statement is correct in regard to the classification of elements?
(a) Elements in modern periodic table are arranged on the basis of increasing atomic masses.
(b) Elements in Mendeleev's periodic table are arranged on the basis of increasing atomic numbers.
(c) In modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.
(d) In modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.
Which of the following statement about the modern periodic table is correct?
(a) It has 18 horizontal rows known as periods.
(b) It has 7 vertical columns known as periods.
(c) It has 18 vertical columns known as groups.
(d) It has 7 horizontal rows known as groups.
What is the number of valence electrons in the atoms of first elements in a period?
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 the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
Explain why All the elements of a period have different chemical properties.
What is a period in a periodic table?
On the basis of electronic configuration, how will you identify the first element of a period?
What are the merits of the modern periodic table of elements?
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
Name two elements in each case:
Transition element
Name the type of elements which have one electron short of octet.
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
The horizontal rows in a periodic table are called _____.
Give the symbol and valency of the following element and radical.
Potassium
Give the symbol and valency of the following element and radical.
Chlorine [Chloride]
Give the chemical formula of ammonium sulphate
Give the chemical formula of calcium phosphate
The modern periodic table is divided into which blocks?
The modern periodic table has 1 to 7 periods.
Position of A, B and C three elements is given in the table from the modern periodic table. Answer the following questions.
| Periods | Group 2 | Group 17 |
| 2 | ----- | A |
| 3 | B | ----- |
| 4 | ----- | C |
- What is A element metal or nonmetal?
- Which is the outermost orbit of element B?
- Identify C element and it's physical state.
On moving from left to right in a period in the periodic table, the size of the atom ______
In the modern periodic table, elements are arranged according to their ______
Which of the given elements A, B, C, D and E with atomic number 2, 3, 7, 10 and 30 respectively belong to the same period?
An element which is an essential constituent of all organic compounds belongs to
Which of the following elements would lose an electron easily?
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 variable valency and is a member of the Oxygen family (group 16).
Noble gases are placed in the ______ group in the modern periodic table.
Spot the error:
There are 5 periods and 17 groups in the modern periodic table.
- Write the electronic configuration of element X, given by its symbol as under: \[\ce{^40_20 X}\]
- Determine its position in the modem periodic table.
- What is the nature of its oxide?
- Name one other element of its group.
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?
An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.
An element has 2 electrons in its N shell.
State its position in periodic table.
