___________ are the smallest unit of an element that maintains the properties of that element.

An _______________ is made up of one or more of the same kind of atom chemically combined.

A ______________ is made up of different kinds of atoms chemically combined.

A _____________ contains a variety of elements and compounds that are not chemically combined with each other.

A __________________ is a substance that has definite physical and chemical properties such as appearance, melting point, and reactivity.

True or False: elements AND compounds are pure substances.

Which of the following is a way we can classify compounds?

Elements are broadly classified as metals, nonmetals, and _________________.

Each element has a place in an arrangement called the ____________________________________.

Biochemicals are divided into 4 categories: carbohydrates, lipids, nucleic acids, and _______________.

A ______________ mixture is one that does not have a uniform composition.

A _________________ mixture is one where the substances are evenly spread throughout.

_______________ are mixtures in which its particles are too big to stay mixed without being stirred or shaken.

In a ______________, one substance is dissolved in another substance.

A type of mixture that falls in between suspensions and solutions are called ______________.

A snow globe would be an example of a __________________.

Tea and air are examples of ________________.

Milk and gelatin are examples of __________________.

Fruit Loops, pizza, and Skittles are examples of ____________________ mixtures.

Coffee, mouthwash, and vinegar are examples of __________________ mixtures.

Is air considered a pure substance or a mixture?

Is salt an element, compound, or a mixture?

Is Hydrogen an element, compound, or a mixture?

The chemical symbol for Hydrogen is

The chemical symbol for Helium is

The chemical symbol for Nitrogen is

The chemical symbol for Sulfur is

The chemical symbol for Calcium is