A and B are two isotopes having mass numbers 14 and 16 respectively. If the atomic number of A is 7, then how many neutrons will be there in B?

a) What is the difference between atomic number and mass number. b) If the mass number of an element is 52 , and atomic number.is 24 , then how many neutrons will be there in the nucleus of its atom?

Define mass number of an atom?

If the AM and GM between two numbers are 34 and 16 respectively. Find the numbers.

The mass number of an atom is 17 Atomic. number is 8 What is the number of neutrons present in. it?

The mass number of an atom is 31. The M shell of this atom contains 5 electrons. How many neutrons does this atom have?

Two finite sets A and B have m and n elements respectively. If the total number of substs of A is 112 more than the total number of subsets of B, then the value of m is a)7 b)9 c)10 d)12

In a radioactive series a nucleus X distintegrates into nucleus Y by emitting two alpha and two beta particles. IF m and n are the mass number and atomic number of the nucleus X, then the mass number and atomic number of the nucleus Y respectively are

The mass number of an atom is 31 . The M shell. of this atom contains 5 electron. A)What is the atomic number of this atom?.B)How many neutrons does this atom have?.C)Write the electronic configuration.

The atomic weights of two elements (A and B) are 20 and 40 respectively. If x % of A contains y atoms, how many atoms are present in 2x g of B?

A sample contains 10^(-2) kg of two substances A and B with half lives of 4 and 8 sec repsectively (Given that atomic mass of B is twice of A ). The mass of A and B left after 16 second is :