Table of contents

1. Matter and Measurements4h 31m
2. Atoms and the Periodic Table5h 23m
3. Ionic Compounds2h 18m
4. Molecular Compounds2h 18m
5. Classification & Balancing of Chemical Reactions3h 17m
6. Chemical Reactions & Quantities2h 27m
7. Energy, Rate and Equilibrium3h 46m
8. Gases, Liquids and Solids3h 25m
9. Solutions4h 10m
10. Acids and Bases3h 29m
11. Nuclear Chemistry56m
BONUS: Lab Techniques and Procedures1h 38m
BONUS: Mathematical Operations and Functions47m
12. Introduction to Organic Chemistry1h 34m
13. Alkenes, Alkynes, and Aromatic Compounds2h 12m
14. Compounds with Oxygen or Sulfur1h 6m
15. Aldehydes and Ketones1h 1m
16. Carboxylic Acids and Their Derivatives1h 11m
17. Amines39m
18. Amino Acids and Proteins1h 51m
19. Enzymes1h 37m
20. Carbohydrates1h 41m
21. The Generation of Biochemical Energy2h 8m
22. Carbohydrate Metabolism2h 22m
23. Lipids2h 26m
24. Lipid Metabolism1h 45m
25. Protein and Amino Acid Metabolism1h 37m
26. Nucleic Acids and Protein Synthesis2h 54m

2. Atoms and the Periodic Table

Periodic Trend: Metallic Character

GOB Chemistry

2. Atoms and the Periodic Table

Periodic Trend: Metallic Character

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1:03 minutes

Problem 116e

Textbook Question

Give the symbol of the element that has the
e. least metallic character in Group 4A (14)

Verified step by step guidance

Identify the elements in Group 4A (14) of the periodic table. These elements are Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn), and Lead (Pb).

Recall the trend for metallic character in the periodic table. Metallic character decreases as you move from left to right across a period and decreases as you move up a group.

Since we are looking for the element with the least metallic character, focus on the element that is highest in Group 4A (14).

The element at the top of Group 4A (14) is Carbon (C), which is a nonmetal and has the least metallic character compared to the other elements in the group.

Conclude that the symbol for the element with the least metallic character in Group 4A (14) is 'C'.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Group 4A (14) Elements

Group 4A, also known as Group 14 in the periodic table, includes elements such as carbon (C), silicon (Si), germanium (Ge), tin (Sn), and lead (Pb). These elements exhibit a range of properties, including varying metallic and non-metallic characteristics. Understanding the position of these elements in the periodic table is crucial for determining their metallic character.

Metallic Character

Metallic character refers to the tendency of an element to lose electrons and form positive ions, which is a characteristic of metals. This property generally increases down a group in the periodic table and decreases across a period from left to right. Elements with high metallic character are typically good conductors of heat and electricity, while those with low metallic character are more likely to be non-metals.

Trends in the Periodic Table

Trends in the periodic table, such as electronegativity, ionization energy, and metallic character, help predict the behavior of elements. For Group 4A, as you move from carbon to lead, the metallic character increases. Therefore, to identify the element with the least metallic character in this group, one must recognize that carbon, being the topmost element, exhibits the highest non-metallic character.

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