Arsenic, with an electron configuration of 1s^22s^22p^63s^23p^64s^23d^{10}4p^3, has a total of...


Arsenic, with an electron configuration of {eq}1s^22s^22p^63s^23p^64s^23d^{10}4p^3 {/eq}, has a total of three electrons in its valence shell.

a. True

b. False

Valence shell

In an atom there are different number of orbits which are also termed as shells. The outermost orbit of an atom that contain electrons is known to be the valence shell of that particular atom. Those respective electrons are called valence electrons.

Answer and Explanation: 1

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The element Arsenic is situated in group 15 and period 4 of the periodic table.

Period 4 shows that there are total 4 shell present in...

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The Periodic Table: Properties of Groups and Periods


Chapter 3 / Lesson 1

Learn about the organization of the periodic table into groups and periods and how these differ. Also learn the history of the periodic table and its properties.

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