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प्रश्न
Name the following:
The group of the Modern Periodic Table to which calcium [Ca2+] belongs.
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उत्तर
Group 2
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संबंधित प्रश्न
Consider the following elements:
20Ca, 8O, 18Ar, 16S, 4Be, 2He
Which of the above elements would you expect to be:
(i) very stable?
(ii) in group 2 of the periodic table?
(iii) in group 16 of the periodic table?
What are horizontal rows and vertical columns in a periodic table known as?
Name two elements in Alkaline earth metals.
How many periods and groups are there in 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?
Give the chemical formula of sodium hydroxide
Give the chemical formula of sodium bicarbonate
The arrangement of elements in the Modem Periodic Table is based on their ______
Noble gases are placed in the ______ group in the modern periodic table.
An element has 2 electrons in its N shell.
State its position in periodic table.
