The number of electrons and electron shells in fluorine along with the number of electrons needed to fill the valence shell. Introduction: Fluorine is an element with an atomic number 9. It belongs to halogen family of P-block and group 17 in the periodic table. It is an highly toxic gas which is pale yellow in color It is the most electronegative element and is extremely reactive. Compounds of fluorine are used industries for the manufacturing of products. For example: sodium fluoride is used in making toothpaste and is also used in drinking water to prevent dental cavities. Hydrofluoric acid is used in making glass bulbs.

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Chapter 2.2, Problem 2CC

Summary Introduction

To determine:

The number of electrons and electron shells in fluorine along with the number of electrons needed to fill the valence shell.

Introduction:

Fluorine is an element with an atomic number 9. It belongs to halogen family of P-block and group 17 in the periodic table. It is an highly toxic gas which is pale yellow in color It is the most electronegative element and is extremely reactive. Compounds of fluorine are used industries for the manufacturing of products.

For example: sodium fluoride is used in making toothpaste and is also used in drinking water to prevent dental cavities. Hydrofluoric acid is used in making glass bulbs.

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can you help? I think its B but not sure