Periodic Table

Front

What does the periodic law state about the arrangement of elements?

Back

The periodic law states that the elements are arranged according to their atomic numbers so that elements with similar chemical properties are in the same column and properties repeat periodically.

Front

Which halogen is found in period 4?

Back

Bromine (Br)

Front

What is a grouping of elements based on similar chemical properties called?

Back

A family (or group) in the periodic table.

Front

What is the name of group number 1 in the periodic table?

Back

Alkali metals.

Front

Which element is found in group 2, period 6?

Back

Barium (Ba)

Front

What is the atomic number of Bromine (Br)?

Back

35

Front

What are the noble gases?

Back

The noble gases are a group of elements in group 18 of the periodic table, known for their lack of reactivity. They include Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn).

Front

What is the significance of the periodic table's columns?

Back

The columns (groups) in the periodic table indicate elements that have similar chemical properties.

Front

What is the difference between a period and a group in the periodic table?

Back

A period is a horizontal row in the periodic table, while a group is a vertical column.

Front

What are alkali metals known for?

Back

Alkali metals are known for being highly reactive, especially with water, and they have one electron in their outermost shell.