An isotope has an atomic number of 15 and a mass number of 31. The number of proton it contains is

Similar Questions

Which of the following is used in rocket fuels? ...

X is a crystalline salt of sodium solution of X in water turns litmus red and produces a gas which t...

If 24.83 cm3 of 0.15 M NaOH is titrated to its end point with 39.45 cm3 of HCl, what is the molarit...

Five metals represented by the letters V to Z are arranged in order of their reactivity as shown . V...

Which of the following factors that affect the rate of chemical reactions can be explained in terms ...

An element X forms the following compounds with chlorine; XCl\(_4\), XCl\(_3\), XCl\(_2\). This illu...

The following will decolourize acidified potassium tetraoxomanganate (VII) solution except ...

Which of the following molecules has two other positional isomers? ...

The Atomic theory model which explains that electrons in an atom revolve round quantized energy leve...

What is the chemical symbol for Berkelium? ...