The ratio of an electron was determined by J.J. Thomson. If the specific charge of an electron is ex — Atomic Structure Chemistry Question

💡 Solution & Explanation

The charge-to-mass ratio ($e/m$) for an electron was determined by Thomson's cathode ray experiment to be $1.758820 \times 10^{11} \text{ C/kg}$. Rounding to two decimal places gives $1.76 \times 10^{11} \text{ C/kg}$, so $x = 1.76$. [1-4]