Advertisements
Advertisements
Question
The following element is given \[\ce{_20Z}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Solution
\[\ce{_20Z}\]: Number of electrons = 20
Electronic arrangement = [2, 8, 8, 2]
∴ Z is metal
APPEARS IN
RELATED QUESTIONS
Which one of the following is a correct electronic configuration of sodium?
State the number of electrons present in the outermost shell of the atoms of the following elements :(i) Neon
(ii) Chlorine
Write the distribution of electrons in an atom of element whose atomic number is 18. What is special about the outermost electron shell (or valence shell) of the atom of this element?
The atom of aluminium is represented by 27Al13. Write down the number of neutrons in the different orbits or shells in one atom of aluminium.
The following element is given \[\ce{_18Y}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Explain the octet rule for the formation of –
Nitrogen molecule from two nitrogen atoms.
For an atom ‘X’, K, L and M shells are completely filled. How many electrons will be present in it?
Which block of the periodic table contains metals, non-metals, and metalloids?
The electronic configuration of an atom is 2,8,3. The valency of the atom is ______.
Explain the electronic configuration of atoms with an illustration.
