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प्रश्न
______ forms the basis of the modern periodic table.
उत्तर
Atomic number forms the basis of the modern periodic table.
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संबंधित प्रश्न
What is the major characteristic of the first elements in the periods of the periodic table? What is the general name of such elements?
Name the type of elements which have one electron short of octet.
Compare Modern Periodic Law with Mendeleev's Periodic Law.
Group 13 to 18 : p block : : _______ : d block
The modern periodic table is divided into which blocks?
An element X which is a yellow solid at room temperature shows catenation and allotropy. X forms two oxides which are also formed during the thermal decomposition of ferrous sulphate crystals and are the major air pollutants.
- Identify the element X
- Write the electronic configuration of X
- Write the balanced chemical equation for the thermal decomposition of ferrous sulphate crystals?
- What would be the nature (acidic/ basic) of oxides formed?
- Locate the position of the element 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.
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
State the group and period, of the element having three shells with three electrons in valence shell.
Answer the following in respect of element \[\ce{_16^32S}\].
Give its formula with hydrogen.
