Periodic Table

Front

What are metalloids?

Back

Elements that have properties of both metals and nonmetals, typically found along the zig-zag line on the periodic table.

Front

Which group of the periodic table is composed of inert (not reactive) gases?

Back

Noble gases, which include helium, neon, argon, krypton, xenon, and radon.

Front

What is an example of a noble gas?

Back

Xenon is an example of a noble gas.

Front

What are periods in the periodic table?

Back

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

Front

How are elements arranged in the modern periodic table?

Back

Elements are arranged by increasing atomic number.

Front

What are the main categories of elements in the periodic table?

Back

Metals, nonmetals, and metalloids.

Front

What is the significance of the atomic number?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.

Front

What are alkali metals?

Back

The group of elements in Group 1 of the periodic table, known for being highly reactive and having one electron in their outer shell.

Front

What are halogens?

Back

The group of elements in Group 17 of the periodic table, known for being very reactive nonmetals.

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.