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प्रश्न
Name the non-metals in the first twenty elements.
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उत्तर
C, N, O, F, Ne, P, S, Cl, Ar, H and He.
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संबंधित प्रश्न
Name two elements you would expect to show chemical reactions similar to magnesium. What is the basis for your choice?
The electronic configuration of an element T is 2, 8, 8, 1.
What is the period number of T?
Give the symbol and valency of the following element and radical.
Potassium
Give the symbol and valency of the following element and radical.
Hydrogen
Give the symbol and valency of the following element and radical.
Nitrate
Give the chemical formula of magnesium nitrate
Which of the following statements about the Modern periodic table is correct?
Which of the following elements would lose an electron easily?
Define periods of modern periodic table.
1H2 is an isotope of hydrogen. In the modern Periodic Table it will ______.
