If an element 'X' has mass number 11 and it has 6 neurons, then write its representation.

If an element 'X' has mass number 11and its has 6 neutrons, then write its representation

An element has electronic configuration 2, 8, 18, 1. If its mass number is 63, then how many neutrons will be present in the nucleus of the atom?

Answer the following questions: Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation. Which of theabove elements has the highest nonmetallic character?

Answer the following questions: Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation. Which of the above elements has the highest metallic character ?

Nuclear radius R has a dependemce on the mass number (A) as R=1.3 xx 10^-6 A^(1//3) m. For a nucleus of mass number A = 125. Obtain the order of magnitude of R expressed in metre.

The mass number and atomic number of an element are A and Z respectively. The number of neutrons in the atom of that element is calculated as___.

Answer the following questions: Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation. Which of these has largest atoms ?

Answer the following questions: Write down the electronic configuration of the following elements from the given atomic numbers. Answer the following question with explanation. Which of these atoms has smallest atomic radius ?

Nitrogen has oxidation number

An element has two isotopes of mass numbers 65 and 67 with abundances of 25 % and 75 % respectively. The atomic mass of the elements is