Chapter 4- Elements, Compounds and Mixtures

The smallest particle of an element that has the same chemical properties as that element /monoatomic element.

Used to represent elements.

Group of two or more atoms that are chemically combined together.

Two or more substances that are not chemically combined and are in an unfixed ratio.

They take place when a mixture is formed and there is little or no energy change.

A pure substance made of atoms that cannot be broken down into simpler substances by chemical processes.

________ is written at the end of the formula.

Some ________ contain brackets if the number of atoms is common and the compound contains more than two elements.DIFFERENCES BETWEEN COMPOUNDS AND MIXTURES.

________ take place when a compound is formed and there is energy change.

Shiny appearance of metals.

Material that transmits heat or electricity, especially when regarded in terms of its capacity to do so.

A substance which does not readily conduct electricity or heat.

Able to be hammered or pressed into shape without breaking or cracking.

Able to be deformed without losing toughness.