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Chapter 2: Problem 51

Refer to the periodic table inside the front cover and identify (a) the element that is in group 14 and the fourth period (b) one element similar to and one unlike sulfur (c) the alkali metal in the fifth period (d) the halogen element in the sixth period

Short Answer

Expert verified
The answers are (a) Germanium (Ge), (b) Selenium (Se) is similar to sulfur and Neon (Ne) is unlike sulfur, (c) Rubidium (Rb), and (d) Astatine (At).

Step by step solution

01

Identify the Element in Group 14 and Fourth Period

Refer to the Periodic Table. Look for Group 14 first, then move to the fourth period in this group. The element is Germanium (Ge).
02

Identify Elements Similar to and Unlike Sulfur

Elements that are similar are usually in the same group since they share similar chemical properties. Sulfur (S) is in group 16, so an element similar to Sulfur could be Selenium (Se). Elements that are unlike would be in different groups. Thus, an element unlike Sulfur could be Neon (Ne) from group 18.
03

Identify the Alkali Metal in the Fifth Period

Alkali metals are found in Group 1 of the Periodic Table. The alkali metal in the fifth period is Rubidium (Rb).
04

Identify the Halogen in the Sixth Period

Halogen elements are found in Group 17 of the Periodic Table. The halogen in the sixth period is Astatine (At).

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