A heavy element has atomic number X and mass number Y . Correct relation between X and Y

A radioactiv element has atomic number A and mass number M. It emits one alpha - particle .The atomic number and mass number of new element will be

Study the table and answer the questions given below a. Write down the atomic number and mass number of each element. b. Identify elements X and Y.

An element has atomic number 13 and an atomic mass of 27. The number of electrons in each atom of this element is ____________ and the number of neutrons is _________

Define the terms atomic number and mass number how are they related to each other? In which case the atom of the element has same number of protons and electrons?

The number of electrons in an element with atomic number X and mass number Y will be

(a) What is mean by (i) atomic number, and (ii) mass number, of an element ? Explain with the help of an example (b) What is the relation between the atomic number and mass number of an element ? (c) If an element M has mass number 24 and atomic number 12, how many neutrons does its atom contain ?

If the atomic number (Z) and mass number (A) of an element X are related by the equation A+Z= 46 and the total number of neutrons in one atom of X is 16, then the total number of protons and electrons in one atom of element X='a'. Find value of 'a'