Advertisements
Advertisements
Question
The atom of aluminium is represented by 27Al13. Write down the number of electrons in the different orbits or shells in one atom of aluminium.
Advertisements
Solution
27Al13 Ato,ic mass = (P + n) = A
Atomic number 13 = P = e = Z
Number of electrons Z = 13
APPEARS IN
RELATED QUESTIONS
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 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?
Mention the basic tendency of an atom which makes it combine with other atoms
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 atom of aluminium is represented by 27Al13. Write down the number of the arrangement of electrons in the different orbits or shells in one atom of aluminium.
Select the correct answer from the answer in the bracket to complete the sentence.
The maximum number of electrons in M-shell is _______.
Give a reason for the following:
The shells surrounding the nucleus of an atom are also called ‘energy levels’.
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 electronic configuration of ‘Cl’ is ______.
