Open Question
Give the symbol of the element that has the (4.7)e. most metallic character in Group 2A (2)
9. Electrons in Atoms and the Periodic Table
Periodic Trend: Metallic Character
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Between which two elements is the difference in metallic character the greatest?
A
Rb and O
B
O and I
C
Rb and I
D
Li and O
E
Li and Rb
Verified step by step guidance1
Understand the concept of metallic character: Metallic character refers to how easily an atom can lose electrons and form positive ions. Elements with high metallic character are typically metals, while those with low metallic character are non-metals.
Identify the position of elements in the periodic table: Metallic character increases as you move down a group and decreases as you move across a period from left to right.
Locate the elements in the periodic table: Rb (Rubidium) is in Group 1 and Period 5, Li (Lithium) is in Group 1 and Period 2, O (Oxygen) is in Group 16 and Period 2, and I (Iodine) is in Group 17 and Period 5.
Compare the metallic character of the elements: Rb and Li are metals with high metallic character, while O and I are non-metals with low metallic character. The difference in metallic character is greatest between elements that are far apart in terms of metallic and non-metallic properties.
Determine which pair has the greatest difference: The greatest difference in metallic character will be between a metal from the left side of the periodic table and a non-metal from the right side. Compare the pairs to find the one with the largest difference.
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