Atoms, Elements, Compounds and Mixtures

Who developed a model called the atomic theory of matter?

Isotopes are atoms of the same element that have a different number of

Rutherford's experiment showed that most of an atom is made up of

Which elements are usually shiny, ductile, and malleable and conduct heat and electricity?

Particles in an atom's nucleus that do not have an electric charge are called

An atom of the element with atomic number 6 always has

What is a diatomic element?

contains only one kind of atom

Water is an example of a(n)

How would you classify water colored with food coloring?

Which matter is physically combined?

The atomic number of an element tells the number of what in the nucleus of an atom?

Atoms that have the same type of matter that have a different number of neutrons are called

Atoms is from the Greek word meaning

Which is not a homogeneous mixture?

Which is not a heterogeneous mixture?

Which is chemically combined?

Which element is a gas or brittle solid at room temperature?

To find the number of neutrons in an isotope, subtract

What is a pure substance?

What matter is physically combined?

What is the simplest form of pure matter?

What are pure substances that are made of two elements that are chemically bonded together?

Which has particles that settle over time?

The mass number is the weighted average of the masses of the