Question

Give the periodic group number and number of valence electrons for each of the following atoms. (a) $C$ (b) $\mathrm{Cl}$ (c) $\mathrm{Ne}$ (d) $\mathrm{Mg}$ (e) $F$ (f) $S$

Name: Problem 2, Chapter 8: Chemistry and Chemical Reactivity
Uploaded: 2021-12-24T04:58:27-08:00
Duration: 2 min 30 s
Channel: Rolly Sharda
Description: Give the periodic group number and number of valence electrons for each of the following atoms. (a) C (b) Cl (c) Ne (d) Mg (e) F (f) S

   Give the periodic group number and number of valence electrons for each of the following atoms.
(a) $C$ 
(b) $\mathrm{Cl}$
(c) $\mathrm{Ne}$
(d) $\mathrm{Mg}$
(e) $F$
(f) $S$

Chemistry and Chemical Reactivity

John C. Kotz, Paul… 9th Edition

Chapter 8, Problem 2

Instant Answer

Solved by Expert Rolly Sharda

12/24/2021

Step 1

Carbon belongs to group 14 in the periodic table, which means it has 4 valence electrons. Show more…

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Give the periodic group number and number of valence electrons for each of the following atoms. (a) $C$ (b) $\mathrm{Cl}$ (c) $\mathrm{Ne}$ (d) $\mathrm{Mg}$ (e) $F$ (f) $S$

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Key Concepts

Periodic Table Groups

The periodic table is arranged into columns known as groups. Elements within the same group generally exhibit similar chemical and physical properties due to their having the same number of electrons in their outermost shell. When determining the group number for an element, one is essentially placing the element into a category that indicates a recurring pattern in its electron configuration, which directly influences its chemical behavior.

Valence Electrons

Valence electrons are the electrons in the outermost shell of an atom and are crucial in determining the chemical reactivity of an element. The number of valence electrons often corresponds to an element's group number in the periodic table, particularly for the main group elements. These electrons participate in chemical bonding and largely dictate how an element interacts with other elements.

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