The number of protons and electrons present in As 3 − has to be determined. Concept Introduction: The number of protons or electron is called as atomic number . Protons are located in atomic nucleus of an atom. Protons are positively charged one. Electrons are revolving around nucleus. They are negatively charged one. The number of protons and electrons are same in a neutral atom.

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Chapter 2.6, Problem 2.8PP

Interpretation Introduction

Interpretation:

The number of protons and electrons present in As3− has to be determined.

Concept Introduction:

The number of protons or electron is called as atomic number.

Protons are located in atomic nucleus of an atom. Protons are positively charged one.

Electrons are revolving around nucleus. They are negatively charged one. The number of protons and electrons are same in a neutral atom.

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