Learning goal 3: Recall which part of the modern periodic table contains elements with similar properties.RowDiagonalColumn
Question
Learning Goal 3:
Recall which part of the modern periodic table contains elements with similar properties.
Row
Diagonal
Column
Solution
In the modern periodic table, elements with similar properties are found within the same column (also referred to as a group or family). This organization is based on the atomic structure and electron configuration of the elements, which leads to predictable patterns in their chemical behavior.
-
Group Elements: Each vertical column in the periodic table is known as a group. For example, Group 1 contains the alkali metals (like lithium, sodium, and potassium), which share characteristics such as being highly reactive and having one electron in their outer shell.
-
Similar Properties: Elements in the same group exhibit similar physical and chemical properties. This is due to the fact that they have the same number of valence electrons, leading to similar bonding behaviors and reactivity. For instance, the noble gases in Group 18 are all non-reactive gases at room temperature, while halogens in Group 17 are highly reactive nonmetals.
-
Examples of Groups:
- Group 1: Alkali metals (Li, Na, K)
- Group 2: Alkaline earth metals (Be, Mg, Ca)
- Group 17: Halogens (F, Cl, Br)
- Group 18: Noble gases (He, Ne, Ar)
Understanding this organization helps in predicting the properties and behaviors of various elements based on their positioning within the periodic table. Thus, scientists and chemists can make informed assertions about how elements will interact, which is crucial in fields ranging from materials science to medicine.
Similar Questions
What are the rows and columns on the periodic table called? How are elements in the rows similar, and how are elements in the columns similar?
The horizontal rows in the periodic table are called a. groups. b. periods. c. nonmetals. d. metals.
In the periodic table, elements with similar chemical properties occupy the same:
Identify where most non-metal elements are located in the modern periodic table.In the upper right cornerScattered randomlyIn the lower halfIn the middle
Look at the diagram shown below. Name the scientist who created this early attempt at a periodic table.
Upgrade your grade with Knowee
Get personalized homework help. Review tough concepts in more detail, or go deeper into your topic by exploring other relevant questions.