Author

Khady Niang Page 5

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.

How Many Valence Electrons Do the Chalcogens Have?Chemistry
What Is the Heat of Formation Reaction for Sodium Chloride?Chemistry
What Are the General Trends in Electronegativity Values?Chemistry
How Many Ozone Molecules Can a Single Chlorine Atom Destroy?Chemistry
Is a Cooling Curve Endothermic or Exothermic?Chemistry
Is Ca(OH)2 an Acid or Base?Chemistry
What Is the Shape of an S Orbital?Chemistry
Who Discovered the Mole and Avogadro’s Number?Chemistry
What Is the Atomic Radius of Sulfur?Chemistry
What Are the K and L Shells in Chemistry?Chemistry
Is Chlorine More Electronegative Than Bromine?Chemistry
What Is the Smallest Particle Representing Hydrogen Peroxide?Chemistry
Is Be2+ Diamagnetic or Paramagnetic?Chemistry
How to Determine Electronegativity: Methods and Scales Chemistry
What Is the First Ionization Energy?Chemistry
What Factors Affect the Melting Point of a Substance?Chemistry
Why Does H₂ Have a Low Boiling Point?Chemistry
Does Oxidation Occur at the Anode?Chemistry
What Does Percent Yield Mean in Chemistry?Chemistry
Is the Cathode Reduced or Oxidized?Chemistry
Are Moles and Atoms the Same Thing?Chemistry
Does an Amorphous Solid Have a Definite Melting Point?Physics
What Is Hardness in Chemistry?Chemistry
How Is the Boiling Point of a Substance Determined?Chemistry
What Type of Ions Do Bases (Alkalis) Release?Chemistry
How Does a Solution Become Supersaturated?Chemistry
How Is Carbon Able to Form Both Graphite and Diamond?Chemistry
Is Fluorine More Reactive Than Chlorine?Chemistry
What Are Strong Electrolytes?Chemistry
How to Calculate Percent Abundance and Atomic Mass Chemistry