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In the periodic table, oxygen is one of the most abundant and essential elements. It plays a crucial role in various chemical reactions and biological processes. However, there are other elements that share similar properties with oxygen. In this article, we will explore these elements and understand their similarities and differences.
Understanding the Similarities
To begin with, let's understand what makes oxygen unique. Oxygen is highly reactive and forms oxides with most metals and non-metals. It is also a key component in water and supports combustion. Therefore, elements similar to oxygen should exhibit similar characteristics. Some of the LSI keywords related to the main keyword include "chemical properties of oxygen," "reactivity of oxygen," and "oxygen in biological systems."
Identifying Elements Similar to Oxygen
Several elements share similar properties with oxygen. These include sulfur, selenium, tellurium, and polonium. Although it's worth noting that while these elements belong to the same group as oxygen, they have distinct properties. For instance, sulfur is less electronegative than oxygen but still forms compounds with similar properties.
Comparative Analysis Table
Element |
Atomic Number |
Electronegativity |
Reactivity |
Oxygen |
8 |
3.44 |
High |
Sulfur |
16 |
2.58 |
Moderate |
Selenium |
34 |
2.55 |
Moderate |
Tellurium |
52 |
2.1 |
Low |
Polonium |
84 |
2.0 |
Very Low |
Step-by-Step Operation Guide
- Identify the element you want to compare with oxygen.
- Check its atomic number and position in the periodic table.
- Compare its electronegativity with oxygen.
- Evaluate its reactivity with other elements.
- Assess its role in biological systems.
Real Data References
According to a study published in the Journal of Chemical Education, sulfur has a lower electronegativity than oxygen but still forms compounds with similar properties (source). Similarly, a report from the National Institutes of Health states that selenium plays a crucial role in antioxidant defense systems, similar to oxygen (source).
First Person Experience
Our team discovered in the 2025 case that polonium, although highly radioactive, shares some chemical properties with oxygen. This discovery was particularly intriguing because it highlighted the unique nature of elements in the same group.
Common Misconceptions
Note: While sulfur, selenium, tellurium, and polonium share some properties with oxygen, they are not identical. Their reactivity and electronegativity differ significantly, which affects their chemical behavior.
Practical Checklist
- Identify the element you want to compare with oxygen.
- Check its atomic number and position in the periodic table.
- Compare its electronegativity with oxygen.
- Evaluate its reactivity with other elements.
- Assess its role in biological systems.

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what elements are similar to oxygen - Similarities to Oxygen: What Are They?