Advertisements
Advertisements
Question
Name an element which has the same number of electrons in its first and second shell.
Solution
Beryllium
APPEARS IN
RELATED QUESTIONS
If K and L shells of an atom are full, then what would be the total number of electrons in the atom?
Name the shell of an atom which can accommodate a maximum of :
(a) 2 electrons ?
(b) 18 electrons ?
What do you understand by the term "electronic configuration" of an element? Write down the electronic configuration of oxygen (At. No. = 8).
The correct electronic configuration of a chloride ion is :
An element has an atomic number 12. How many electrons will be present in the K, L and M energy shells of its atom?
Explain the octet rule for the formation of –
Nitrogen molecule from two nitrogen atoms.
The correct electronic configuration of potassium is ______.
Write down the electron distribution of chlorine atom. How many electrons are there in the L shell? (Atomic number of chlorine is 17).
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.
