Question

The radius of the innermost orbit of the hydrogen atom is :

• A. 5.3×10⁻¹¹ m
• B. 3.5×10⁻¹¹ m
• C. 5.3×10⁻¹² m
• D. 3.5×10⁻¹² m

Answer 1

Answer:

A. 5.3×10⁻¹¹ m

The radius of the innermost electron orbit of a hydrogen atom is 5.3×10⁻¹¹ m.