Periodic Table

Front

What is the chemical symbol for Silicon?

Back

Si

Front

What does the atomic number tell us about an element?

Back

The atomic number tells us the number of protons in an element.

Front

What can we use to predict the properties of a particular element?

Back

The location of the element on the periodic table.

Front

Atoms of different elements have ________ number of protons.

Back

Different.

Front

Noble gases are the _________ reactive family on the Periodic Table.

Back

Least.

Front

What is the atomic mass of an element?

Back

The average mass of an atom of an element, measured in atomic mass units (amu).

Front

What are groups in the periodic table?

Back

Vertical columns that group elements with similar properties.

Front

What are periods in the periodic table?

Back

Horizontal rows that indicate the number of electron shells in the elements.

Front

What is a metalloid?

Back

Elements that have properties of both metals and nonmetals.

Front

What are alkali metals?

Back

The group of elements in the first column of the periodic table, known for being highly reactive.