Honors Chemistry Pretest

Front

Vertical columns on the periodic table are called ________________.

Back

Groups

Front

Which property do the liquid phase and the gas phase of a substance have in common?

Back

Both phases lack a definite shape.

Front

Which element on the periodic table has a total of 16 protons?

Back

Sulfur.

Front

Isotopes of an element have different numbers of ________________.

Back

neutrons.

Front

Which of these is an example of a chemical change?

Back

Burning a piece of wood.

Front

What is the definition of a chemical change?

Back

A process where substances combine or break apart to form new substances.

Front

What is the definition of an isotope?

Back

Atoms of the same element with different numbers of neutrons.

Front

What is the main difference between a solid and a liquid?

Back

Solids have a definite shape, while liquids do not.

Front

What is the definition of a period in the periodic table?

Back

Horizontal rows in the periodic table that indicate the number of electron shells.

Front

What is the definition of a group in the periodic table?

Back

Vertical columns in the periodic table that indicate elements with similar properties.