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प्रश्न
What is meant by a period, in a periodic table?
उत्तर
A period is a horizontal row of elements in a periodic table.
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संबंधित प्रश्न
What is the name of those elements which divide metals and non-metals in the periodic table?
How would the tendency to lose electrons change as we go from left to right across a period of the periodic table?
What happens to the number of valence electrons in the atoms of elements as we go down in a group of the periodic table?
Name the type of elements which have one electron short of octet.
What is the number of elements in the 3rd period, of the modern periodic table?
How does number of (i) valence electrons (ii) valency; vary on moving from left to right in the second period of a periodic table?
On moving from left to right in a period in the periodic table, the size of the atom ______
“Hydrogen occupies a unique position in Modern Periodic Table”. Justify the statement.
An element belonging to 3d series of modern periodic table has spin magnetic moment = 5.92 B.M. in +3 oxidation state. The atomic number of elements are ______.
An element with atomic number ______ will form a basic oxide.
