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Chapter 2: Problem 21

Answer the following questions without referring to Table 2.1: (a) What are the main subatomic particles that make up the atom? (b) What is the relative charge (in multiples of the electronic charge) of each of the particles? (c) Which of the particles is the most massive? (d) Which is the least massive?

Short Answer

Expert verified
(a) The main subatomic particles that make up the atom are electrons, protons, and neutrons. (b) The relative charge of the particles are: electrons: \(-1\), protons: \(+1\), neutrons: \(0\). (c) Neutrons are the most massive particle. (d) Electrons are the least massive particle.

Step by step solution

01

(a) Main Subatomic Particles of the Atom)

The main subatomic particles that make up the atom are electrons, protons, and neutrons.
02

(b) Relative Charge of Each Particle)

The relative charge of the main subatomic particles are as follows: 1. Electrons: -1 (in multiples of the electronic charge) 2. Protons: +1 (in multiples of the electronic charge) 3. Neutrons: 0 (neutral)
03

(c) Most Massive Particle)

Neutrons are the most massive among the three main subatomic particles.
04

(d) Least Massive Particle)

Electrons are the least massive among the three main subatomic particles.

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