Question

atomic number of an element is 8, its valancey is...............​

Answer 1

Answer:

oxygen

Explanation:

its valency is 2

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Answer 2

Answer:

Atomic Number :8 - Oxygen

Valency : 6

Explanation:

Oxygen has 8 valence electrons. Hence it belongs to group 6 of the periodic table. This means it has a total of 2 electrons in the first shell (or K shell), and 6 electrons in the first shell (or K shell). Hence it has a valency of 6.