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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
The three elements having chemical symbols of Si, B and Ge are:
(a) all metals
(b) all non-metals
(c) all metalloids
(d) Si is metalloid, B is metal and Ge is non-metal
Which element has the electronic configuration 2, 8, 2?
Define:
Periodic table
Name two elements in each case:
Actinides
State its position in the periodic table?
How will the tendency to gain electrons change as we go from left to right across a period? Why?
How many periods and groups are there in the modern periodic table?
Give the symbol and valency of the following element and radical.
Magnesium
Elements in the modern periodic table are arranged in ______groups and______ periods.
Element ‘X’ forms a chloride with the formula XCl2, which is solid with a high melting point. X would most likely be in the same group of the periodic table as: ______
