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प्रश्न
An element barium has atomic number 56. Look up its position in the periodic table and answer the following question.
What will be the formula of its phosphate?
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उत्तर
\[\ce{Ba3[PO4]2}\] (Barium Phosphate)
संबंधित प्रश्न
Write the merits of the modern periodic table over Mendeleev’s Periodic table
State the term
The tabular arrangement of elements in horizontal rows and vertical columns _________
Name two elements in each case:
Actinides
What do you understand by typical elements?
Name an element of group 18 which can form compounds.
An element A has 2 electrons in its fourth shell. State its electronic configuration.
Give the symbol and valency of the following element and radical.
Bisulphite
Which of the following elements will form an acidic oxide?
Select the appropriate options and complete the following paragraph:
(metals, non-metals, metalloids, four, seven, s-block, p-block, d-block, f-block).
On the basis of electronic configuration, elements in the modern periodic table are classified Into ______ blocks. Groups 1 and 2 elements are included in ______ and all these elements are metals. (except Hydrogen). Group 13 to 18 elements are included in ______. This block contains metals, non-metals and metalloids. Group 3 to 12 elements are included in ______ and all the elements are ______ elements shown at the bottom of the periodic table i.e. Lanthanides and Actinides constitute ______ and all these elements are metals.
Match the atomic number with the following:
A rare gas.
