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answer the following questions: What w...

answer the following questions:
What will be valency of oxygen.

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Oxygen is an element of group 16. Number of valence electron in O is 16 - 10 = 6.
Therefore, its valency is 8 - 6 = 2.
Since element X is in group 1, its valency is 1.
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ICSE-PERIODIC PROPERTIES OF ELEMENTS -ILLUSTRATIVE ASSIGNMENTS
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  2. Magnesium is an element of group 2 of the periodic table. It forms com...

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  3. answer the following questions: What will be valency of oxygen.

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  4. In the periodic table given below, lithium, carbon, oxygen and neon ar...

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  5. In the periodic table given below, lithium, carbon, oxygen and neon ar...

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  6. In the periodic table given below, lithium, carbon, oxygen and neon ar...

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  7. In the periodic table given below, lithium, carbon, oxygen and neon ar...

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  8. In the periodic table given below, lithium, carbon, oxygen and neon ar...

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  9. In the periodic table given below, lithium, carbon, oxygen and neon ar...

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  10. In the periodic table given below, lithium, carbon, oxygen and neon ar...

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  11. What is the electronic configuration of the element in the third perio...

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  14. The following table represents the first three periods of the modern p...

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  15. The following table represents the first three periods of the modern p...

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  17. Write the formula of the sulphate of the element with atomic number 13...

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