Fall Final Chemistry Review

Front

What happens when you add a proton to an atom?

Back

It changes the element to a new one, as the number of protons defines the element.

Front

What is a qualitative observation?

Back

An observation that describes qualities or characteristics, such as color, sound, or texture.

Front

What is a hypothesis in scientific terms?

Back

A testable statement or prediction about the relationship between variables.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of one type of atom, while a compound is made of two or more different types of atoms chemically bonded together.

Front

What does it mean if an exponent is positive?

Back

It indicates that the original number is a really big number.

Front

What is a mixture?

Back

A combination of two or more substances that are not chemically bonded.

Front

What is the scientific method?

Back

A systematic process for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge.

Front

What is the role of a control in an experiment?

Back

A control is a standard for comparison that helps to isolate the effects of the independent variable.

Front

What is the difference between quantitative and qualitative data?

Back

Quantitative data is numerical and can be measured, while qualitative data is descriptive and cannot be measured.

Front

What is an atom?

Back

The basic unit of a chemical element, consisting of protons, neutrons, and electrons.