If the atomic weight of an element is `23` times that of the lightest element and it has `11` protons, then it contains.

The atomic weight of an element is 52 and its atomic number is 24. The number of electrons, protons and neutrons in an atom of this element will be respectively

Mass of 10 atoms of an element is 24xx10^(-23) gm, then atomic mass of that element is:

4.6xx10^(22) atoms of an element weight 13.8g .the atomic weight of that element is

An atom of an element weighs 6.644 times 10^(-23) g. Calculate g atoms of element in 40 kg-

The atomic number of an element is 12. How many protons and electrons are there in an atom of the element ?