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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
How does the tendency of elements to gain electrons change as we move from left to right in a period? State the reason of this change.
Name the scientist who first of all showed that atomic number of an element is a more fundamental property than its atomic mass.
State how the valency of elements varies in a group of the periodic table?
Helium and neon are unreactive gases. What, if anything, do their atoms have in common?
What are the advantages of the periodic table?
What are the periods in a periodic table? Give two characteristics of each.
What are horizontal rows and vertical columns in a periodic table known as?
How many periods and groups are there in the modern periodic table?
Complete the following flow chart.
The amount of energy released when one or more electrons is added to the neutral atom is ______
