Hardness is related to:

specific gravity

surface roughness

size of the sample

strength of chemical bonds

Sodium is a reactive metal. Chlorine is a reactive gas. These two elements combine to form a A) stable compound called table salt. B) new element called sodium chloride. C) reactive compound that explodes in water.

How much force is required to lift a 100kg barbell with an acceleration of 3 m/s2?

Which procedure could a student use to examine an intensive property of a retangular block of wood

Why is it important to heat analytical reagents and store them in a dessicated atmosphere before use?

Is the following radiation, conduction, or convection? in a factory there is a large vat of liquid. The liquid is heated.

What type of change is a substance that changes form but remains the same?

Which side of the mountain experiences high temperature in windward or leeward

How does light pollution affect plants and animals? Light pollution harms plants and animals because they confuse it with

In what ways are polyatomic ions like simple ions

How does oxygen obey the octet rule when reacting to form compounds? A) It gains electrons. B) It gives up electrons. C) It does not change its number of electrons. D) Oxygen does not obey the octet rule.