Exam 1: What Is Chemistry

A specific statement that is thought to be never violated by the entire natural universe is called a(n) ______.

The compound sulfur is yellow colored. This description of sulfur is an example of a _____ description.

A burning match stick is an example of a(n) _____ change.

Chemistry is widely regarded as the language of science.

A(n) _____ is a general statement that explains a large number of observations.

An element can be broken down into simpler chemical substances by chemical reactions.

_____ is the study of the interactions of matter with other matter and with energy.

Table salt has the same physical properties as its constituent elements, sodium and

A(n) _____ change is the process of demonstrating a chemical property.

What are mixtures? Write the types of mixtures, and then give an example for each type.

A hypothesis is a general statement that explains a large number of observations.

A(n) _____ refers to a change that occurs when a sample of matter changes one or more of its physical properties.

A metal is an element that is brittle at room temperature.

A law is a specific statement that is thought to be never violated by the entire natural universe.

Science is concerned only with the natural universe.

A(n) _____ is the simplest type of chemical substance; it cannot be broken down into simpler chemical substances by ordinary chemical means.

Which of the following elements' property allows them to be drawn into thin wires?

Which of the following statements is the correct description of chemistry?

A(n) _____ is a general statement that explains a large number of observations.

A nonmetal is an element that is _____.