An element Z contains 80% of $^{16} _8$Z and 20% of $^{18} _8$Z. Its relative atomic mass is

Similar Questions

The preferential discharge of ions during electrolysis is influenced by the  ...

The oxidation number of X in $XO_{4}^{3-}$ is...

When a solution of silver (l) nitrate is saturated with hydrogen sulphide, a black precipitate forms...

Rusting of iron is an example of ...

Sulphur exists in six forms in the solid state. This property is known as ...

Which of the following salts is not prepared by precipitation? ...

In the periodic table, the electrical and thermal conductivities are properties of elements that ...

The removal of rust from iron by treatment with tetraoxosulphate (IV) acid is based on the? ...

Which of the following solutions will give a precipitate with dilute tetraoxosulphate (V) acid? l. L...

Moving from left to right across a period, the general rise in the first ionization energy can be at...