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प्रश्न
Name the following metal:
A metal present in period 3, group 1 of the periodic table.
Name the metal present in period 3 and group I of the periodic table.
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उत्तर
Sodium
संबंधित प्रश्न
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
Name an alkali metal in period 3 and halogen in period 2.
How many periods and groups are there in the modern periodic table?
The amount of energy released when one or more electrons is added to the neutral atom is ______
The elements A, B, C, D and E have atomic number 9, 11, 17, 12 and 13 respectively. Which pair of elements belong to the same group?
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 same valency as Lithium.
Explain giving reason why although the nuclear charge in atoms increases in moving from left to right in a period as well as in moving from top to bottom in a group in the Modern periodic table, but the size of the atoms does not vary similarly in both situations.
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 ______.
Define groups of modern periodic table.
State the group and period, of the element having three shells with three electrons in valence shell.
