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प्रश्न
Name the following:
The group of the Modern Periodic Table to which calcium [Ca2+] belongs.
उत्तर
Group 2
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संबंधित प्रश्न
What is meant by a period, in a periodic table?
Which of the following statement is correct in regard to the classification of elements?
(a) Elements in modern periodic table are arranged on the basis of increasing atomic masses.
(b) Elements in Mendeleev's periodic table are arranged on the basis of increasing atomic numbers.
(c) In modern periodic table, the element nickel of lower atomic mass is kept before the element cobalt of higher atomic mass.
(d) In modern periodic table, the isotopes of chlorine having different atomic masses are kept in the same group.
Consider the following elements:
Na, Ca, Al, K, Mg, Li
Which of these elements belong to the same period of the periodic table?
Name an element of group 18 which can form compounds.
Give the chemical formula of calcium phosphate
Group 1 and 2 : s block : : group 13 and 18 : _______
Distinguish between:
Group 17 - Group 18
Which of the following is the outermost shell for elements of period 2?
What is the general name of the last elements of the Periodic Table?
An element has 2 electrons in its N shell.
Is it a metal or a non-metal?
