Periodic Table Intro

Front

What is the Periodic Table?

Back

A tabular arrangement of chemical elements, organized by increasing atomic number, where elements with similar properties are grouped together.

Front

What are groups in the Periodic Table?

Back

Vertical columns in the Periodic Table that categorize elements with similar chemical properties.

Front

How many groups are there in the Periodic Table?

Back

There are 18 groups in the Periodic Table.

Front

What are periods in the Periodic Table?

Back

Horizontal rows in the Periodic Table that represent elements with increasing atomic number.

Front

How many periods are there in the Periodic Table?

Back

There are 7 periods in the Periodic Table.

Front

What is a valence electron?

Back

An electron that is found in the outermost shell of an atom and can participate in chemical bonding.

Front

How many valence electrons does Argon (Ar) have?

Back

Argon has 8 valence electrons.

Front

What group do halogens belong to?

Back

Halogens belong to Group 17 of the Periodic Table.

Front

How many valence electrons do halogens have?

Back

Halogens have 7 valence electrons.

Front

What is the significance of Group 14 in the Periodic Table?

Back

Group 14 contains elements like Carbon (C) and Lead (Pb), which have 4 valence electrons.