What is a judgment based on observations called?

How can a flame test identify an unknown element?

6.41 * 10 ^ 6 j to kcal

What happens when a molecule combusts? A. It dissolves in water. B. It forms a solid. C. It breaks up into elements. D. It combines with oxygen.

What did Ernest Rutherford's gold foil experiment demonstrate about an atom? A. Each atom is composed of electrons and positive material. B. The mass of the atom is evenly spread throughout the atom. C. Neutrons are located in the center of the atom.

The concentration of nitrate ion in a solution that contains 0.600 m aluminum nitrate is

How can I find the atomic number and atomic mass of an element?

What is the mass of 6.02x10^23 potassium atoms?

Quota sampling is mostly based on participant availability or volunteers.

What will holding the temperature constant while adding more solute to a solution that already has solute crystals at the bottom of the container do?

How much volume (in cm^3) is gained by a person who gains 11.5 lbs of pure fat?