What are three ways a fire Extinguisher can put out a fire?

Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

Which formula can be used to calculate the molar mass of ammonia (nh3)? molar mass of n + molar mass of h 3 × molar mass of n + molar mass of h molar mass of n + 3 × molar mass of h 3 × molar mass of n + 3 × molar mass of h