Make 1, Take 1

Front

How many electrons can the first energy level hold?

Back

The first energy level can hold a maximum of 2 electrons.

Front

How many electrons does Silicon (Si) contain?

Back

Silicon (Si) contains 14 electrons.

Front

What is the horizontal row on the periodic table called?

Back

The horizontal row on the periodic table is called a period.

Front

Name the group of metals that are extremely reactive with water.

Back

Alkali metals are extremely reactive with water.

Front

How many total atoms are represented in the formula 4Al2O3?

Back

The formula 4Al2O3 represents a total of 20 atoms.

Front

What is the maximum number of electrons that the second energy level can hold?

Back

The second energy level can hold a maximum of 8 electrons.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

What is a group in the periodic table?

Back

A group is a vertical column in the periodic table that contains elements with similar properties.

Front

What are noble gases?

Back

Noble gases are elements in Group 18 of the periodic table that are inert and do not readily react with other elements.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.