Question

The electronic configuration of an element Z is 2, 8, 8.

(a) What is the atomic number of the element ?

(b) State whether element Z is a metal or a non-metal.

(c) What type of ion (if any) will be formed by an atom of element Z? Why?

(d) What is special about the outermost electron shell of the atom of this element?

(e) Give the name and symbol of element Z.​

Answer 1

Answer:

1. at. no. is 8
2. it is noble gas and non metal
3. it is noble gas and noble gas does not form any type of ions and they are not reacting with other elements.
4. its last outermost shell electrons are totally completed and they have all completed shells of electrons .
5. the name of element is Argon and its symbol is Ag.

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