Front

What is the main characteristic of Group 1 elements in the periodic table?

Back

Group 1 elements, also known as alkali metals, are extremely reactive and occur only as compounds in nature.

Front

What happens to the atomic number of elements as you move from left to right across a period in the periodic table?

Back

The atomic number of elements increases as you move from left to right across a period.

Front

What is the term for each column in the periodic table?

Back

Each column in the periodic table is called a group.

Front

How many electrons do most atoms need to be stable (except for hydrogen and helium)?

Back

Most atoms need 8 electrons to be stable, following the octet rule.

Front

What are the elements located along the staircase line in the periodic table called?

Back

The elements along the staircase line are called metalloids.

Front

What is the general trend in reactivity for Group 1 elements as you move down the group?

Back

The reactivity of Group 1 elements increases as you move down the group.

Front

What are noble gases, and where are they located in the periodic table?

Back

Noble gases are located in Group 18 of the periodic table and are known for being inert and non-reactive.

Front

What is the significance of the atomic number in the periodic table?

Back

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

Front

What is the difference between metals, nonmetals, and metalloids in the periodic table?

Back

Metals are good conductors of heat and electricity, nonmetals are poor conductors, and metalloids have properties of both.

Front

What is a period in the context of the periodic table?

Back

A period is a horizontal row in the periodic table, indicating elements with the same number of electron shells.