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प्रश्न
How were elements arranged in the long form of the periodic table or the Modern Periodic Table?
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उत्तर
Long-form of periodic table elements were arranged in increasing order of atomic number.
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संबंधित प्रश्न
What is the name of those elements which divide metals and non-metals in the periodic table?
In what respects do the properties of group 1 elements differ from those of group 17 elements? Explain with examples by taking one element from each group.
What are the advantages of the periodic table?
What is meant in the periodic table by a period?
Give the symbol and valency of the following element and radical.
Magnesium
Mendeleev's periodic table : atomic mass : : Modern periodic table : _______
State whether true or false. If false, correct the statement.
Lanthanides and actinides are kept at the bottom of the periodic table because they resemble each other but they do not resemble with any other group elements.
An element ‘M' has 50% of the electrons filled in the 3rd shell as in the 2nd shell. The atomic number of ‘M’ is ______.
Name the metalloids in the first twenty elements.
Match the atomic number with the following:
A rare gas.
