[Solved] What is the charge and approximate mass of an electron? — Ans: Negative charge, mass ≈ 1/1836 amu | General Science

General Science - Physics (Basics)

What is the charge and approximate mass of an electron?

ANegative charge, mass ≈ 1 amu

BPositive charge, mass ≈ 1 amu

CNegative charge, mass ≈ 1/1836 amu

DNeutral charge, mass ≈ 1 amu

Step-by-Step Solution

Step 1: Recall electron properties
Electrons carry a negative charge and have a very small mass compared to protons and neutrons.
Step 2: Quantify mass
The mass of an electron is approximately 1/1836 of the mass of a proton or neutron, roughly 9.11 × 10⁻³¹ kg, which is about 1/1836 amu.
Final Answer:
Negative charge, mass ≈ 1/1836 amu → Option C
Quick Check:
Electron charge = Negative; mass ≈ 1/1836 amu ✅

Quick Trick: Electron mass is much smaller than proton/neutron mass.

Common Mistakes:

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