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Articles by Science News Today

Science News Today

Science News Today

Articles by Science News Today

How Has Our Understanding of Atomic Structure Changed Over Time?

How Did the Discovery of the Neutron Change Atomic Theory?

Why Can’t Electrons Be Described as Orbiting the Nucleus Like Planets?

What Is the Quantum Mechanical Model of the Atom?

Bohr Model vs. Quantum Mechanical Model: What Is the Difference?

How Did Niels Bohr’s Atomic Model Explain Electron Energy Levels?

Rutherford’s Gold Foil Experiment and the Discovery of the Atomic Nucleus

Thomson’s Atomic Model: How the Electron Changed Our Understanding of Atoms

Dalton’s Atomic Theory Explained: The First Modern Model of the Atom

How Did Scientists Discover That Atoms Exist?

How Does Metallic Character Change Across the Periodic Table?

Why Does Electronegativity Generally Increase Across a Period?

What Is Electronegativity, and How Does It Affect Chemical Bonds?

What Is Electron Affinity, and Why Does It Matter?

Why Does Ionization Energy Generally Increase Across a Period?

What Is Ionization Energy, and How Does It Change Across the Periodic Table?

Why Does Atomic Size Increase Down a Group?

Why Do Atoms Get Smaller From Left to Right Across a Period?

How Does Atomic Radius Change Across the Periodic Table?

What Are Periodic Trends in Chemistry?

Why Are Hydrogen and Helium Placed Where They Are on the Periodic Table?

What Are Lanthanides and Actinides on the Periodic Table?

Metals vs. Nonmetals: Key Differences in Their Properties

What Are Metalloids, and How Are They Different From Metals?

What Are Noble Gases, and Why Are They So Unreactive?

What Are Halogens, and Why Do They React So Readily?

What Are Transition Metals, and What Makes Them Unique?

What Makes Alkaline Earth Metals Different From Alkali Metals?

What Are the Groups on the Periodic Table, and What Do They Tell Us?

What Is the Difference Between a Chemical Element’s Symbol and Its Name?