How would you calculate the density fo an object?

All elements are composed of small particles called

The density of s clock of wood with a volume if 50 cubic centimeters and a mass of 100 grams is

The SI (metric) unit for mass is the

The measurement of how much matter an onject contains is its

What holds atoms together in a molecule?

A group of atoms that are joined together and act as a single unit is called a(n)

Sugar and salt are examples of

Which statement was NOt part of Dalton's teory of atoms?

According to Dalton's theory of atoms, all atoms in any element

The first person who came up with the idea of atoms was

The measurement of the force of gravity on an object is the object's

One example of changing a substance chemically is

Pure substances formed from chemical combinations of two or more different elements are called

Substances that CANNOT be broken down chemically into other substances are

The measurement of how much mass is contained in a given volume is called

How do liquid water, ice, and water vapor differe from each other?

One example of change a substance physically is

Why might you ned to study at least two or three characteristics before you can accurately identify a substance?

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