Chapter 4, Problem 9E

Interpretation Introduction

Interpretation:

The simplest negative particle in an atom is to be identified.

Concept introduction:

Dalton’s atomic theory proposed that elements are made of small particles called atoms and atoms are indivisible and indestructible. All atoms of elements are identical in mass and size and different elements have atoms of different mass and size. In chemical reactions, atoms are combined, separated, or rearranged and atoms are neither created nor destroyed.