Elements, Compounds, and Mixtures

Some elements that are metals are

silver and gold

What is the definition an element?

pure substance that consists entirely of one type of atom

What is the definition of a compound?

2 or more elements chemically combined

What is the definition of a mixture?

A combination of two or more substances that are not chemically combined

what is the definition of a pure substance?

A single element or compound, not mixed with any other substance

homogeneous mixture

A mixture in which substances are evenly distributed throughout the mixture

heterogenous mixture

A mixture in which substances are not evenly mixed

trail mix is a (element, compound, or mixture)

mixture

copper is a (element, compound, or mixture)

element

water (H20) is a (element, compound, or mixture)

compound

Characteristic of homogeneous- materials _______ be separated (easily).

can not

Characteristic of heterogeneous- materials _______ be separated (easily).

can

Characteristic of heterogeneous- materials ______- easily identified.

can be

Characteristic of homogeneous- materials ______- easily identified.

can not be

Which Is the image of a compound?

Image

Which is this an image of mixture of compounds

Image

Which is the image of comounds and elements

Image

Which is the image of en element?

Image

Which is the image of molecules?

image