Chemistry Chapter 1 Test Review

Chemistry is a natural science that deals with the study of

A metalloid is an element that has some characteristics of metals and some characteristics of nonmetals.

Elements are arranged in the periodic table according to their physical properties

The smallest unit of an element that has the properties of that element is an atom

Water boiling at 100°C is an example of a(n)

When atoms of two or more elements are chemically bonded, the substance formed is a compound

Burning a piece of paper is a physical change

Every pure chemical compound consists of two or more elements

The substances that are formed by a chemical change are called the products

Na has how many Neutrons

Rusting iron is a physical change

In the periodic table, elements in the vertical columns together form a Period

An example of a heterogeneous mixture is

Digesting food is a chemical change

A mixture that has the same proportion of components throughout is called Heterogeneous

Which process is a chemical change?

A blend of two or more kinds of matter, each of which retains its own identity and properties, is a mixture.

An example of an extensive property is

If a material is tested and every sample has exactly the same properties and the same composition, it is a compound

Metals are good conductors of electricity

The two properties that all matter has in common are has mass and takes up space

Na has how many protons