Advertisements
Advertisements
प्रश्न
The following element is given \[\ce{_3U}\]. State the electronic configuration and state whether it is a metal, non-metal, or inert gas.
Advertisements
उत्तर
\[\ce{_3U}\]: Number of electrons = 3
Electronic arrangement = [2, 1]
∴ U is metal
APPEARS IN
संबंधित प्रश्न
The atom of an element X has 7 electrons in its M shell.
(a) Write the electronic configuration of element X.
(b) What is the atomic number of element X?
(c) Is it a metal or a non-metal?
(d) What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
(e) What could element X be?
The electronic configuration magnesium is 2, 8, 2. From this it is understood that the valence shell of magnesium is ______.
An atom X has 2, 8, 7 electrons in its shell. It combines with Y having 1 electron in its outermost shell.
What type of bond will be formed between X and Y?
An atom X has 2, 8, 7 electrons in its shell. It combines with Y having 1 electron in its outermost shell.
Write the formula of the compound formed.
Explain the arrangement and distribution of electrons in the various shells with reference to an atom in general and to an atom of potassium ‘3919K’ with special reference to the 2n2 rule.
State true or false. If false, correct the statement.
The maximum number of electron in L Shell is 10.
Total number of electrons that can be accommodated in an orbit is given by __________.
Write down the electron distribution of chlorine atom. How many electrons are there in the L shell? (Atomic number of chlorine is 17).
The outermost shell of an atom cannot accommodate electrons more than ______.
The electronic configuration of an atom is 2,8,3. The valency of the atom is ______.
