Which elements have similar behavior: barium, silicon, aluminum, strontium, osmium, and beryllium?

Elements that have similar behavior are typically found in the same group (column) of the periodic table because they have the same number of valence electrons, which determines their chemical properties.

Step 1: Define the Problem

Identify which elements among barium, silicon, aluminum, strontium, osmium, and beryllium have similar chemical behaviors.

Step 2: Break Down the Problem

• Barium (Ba) and Strontium (Sr) are both in Group 2 (alkaline earth metals).
• Silicon (Si) is in Group 14.
• Aluminum (Al) is in Group 13.
• Osmium (Os) is in Group 8.
• Beryllium (Be) is also in Group 2 (alkaline earth metals).

Step 3: Apply Relevant Concepts

Elements in the same group have similar chemical properties. Therefore, we need to identify which elements are in the same group.

Step 4: Analysis, Verify and Summarize

• Barium (Ba), Strontium (Sr), and Beryllium (Be) are all in Group 2, so they have similar chemical behaviors as alkaline earth metals.
• Silicon (Si), Aluminum (Al), and Osmium (Os) are in different groups and thus have different chemical behaviors.

Final Answer

Barium, strontium, and beryllium have similar chemical behaviors as they are all alkaline earth metals in Group 2 of the periodic table.