Author

Khady Niang

Khady Niang heads the science department at a large public high school and writes on basic chemistry for Biology Insights. A holder of a State Master Teacher Certification, she authored the common chemistry lab manual used across her school district and still teaches two chemistry classes each week. Niang brings practical classroom instruction to her work covering molecular science.

Is F More Electronegative Than Cl?
How Does Atomic Radius Affect Electronegativity?
Why Is Iron Red? The Chemistry of Rust and Blood
How Many Electrons Are in the Outer Shell of Alkaline Earth Metals?
Why Does SiO2 Have a High Melting Point?
What Is the Volume of a Gas and How Is It Measured?
What Does It Mean for a Substance to Be Chemically Inert?
How to Find the Formula of a Hydrate
How to Know If an Element Is a Cation or Anion
How Do Valence Electrons Determine Reactivity?
What Is the Ionization Energy of Hydrogen?
How Does the Iodine Clock Reaction Work?
What Is k in Chemistry? Rate Constant vs. Equilibrium
How Does Charge Affect Atomic Radius?
Is a Temperature Increase Endothermic or Exothermic?
Are Galvanic and Voltaic Cells the Same?
Does Nitrogen Form a Cation or Anion?
How to Read a Photoelectron Spectroscopy (PES) Spectrum
How to Find Electronegativity on the Periodic Table
How to Calculate m/z Value in Mass Spectrometry
When Is an Ion Stable? The Rules of Ionic Stability
What Is a Reaction Mechanism in Chemistry?
Do Noble Gases Have Electronegativity?
Is Crystal Violet Acidic or Basic?
Why Does Fluorine Have the Highest Electronegativity?
Why Do Metallic Ions Emit Different Colors in a Flame?
Why Are Alkali Metals So Reactive?
How Does the Chemistry of Hair Dye Work?
Why Does Ionization Energy Decrease Down a Group?
Is Histidine Charged at pH 7?