Chemistry, asked by thallurisharath007, 8 months ago

An element X has atomic number 9 in which period and group, it can be placed in the modern
periodic table?​

Answers

Answered by avyaaz123
2

Answer:

Fluorine is the element having 9 electrons which is nothing but atomic number

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Answered by AbdulHafeezAhmed
19

Atomic number- 9

Element- Fluorine

Period- 2nd

So, the atom is placed in the 2nd period, since it lacks d- orbital

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