ChemistryThe radius of the first orbit of hydrogen atom is 0.52 × 10–8cm. The radius of the first orbit of He+ ion is 0.26 × 10–x cm. Then the value of x is ______
The radius of the first orbit of hydrogen atom is 0.52 × 10–8cm. The radius of the first orbit of He+ ion is 0.26 × 10–x cm. Then the value of x is ______