Something that can be observed, measured or changed without altering the identity of a substance is called a(n) property.
physical
observable
chemical
changeable

During chemistry class, carl performed several lab tests on two white solids. the results of three tests are seen in the data table. based on this data, carl has concluded that substance b must have bonds.

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Which of the following substances is the most soluble in water? a. sodium chloride b. methane c. bromine d. carbon