Families of the Periodic Table

Front

What is the number of valence electrons in the Oxygen group?

Back

6

Front

What term describes elements that may behave as metals under some conditions and as nonmetals under others?

Back

Metalloids

Front

How many groups and periods are there in the periodic table?

Back

18 groups and 7 periods

Front

To which family do Lanthanides and Actinides belong?

Back

Transition Metals

Front

What is the fourth most abundant element in the human body?

Back

Nitrogen

Front

What are the main characteristics of Alkali Metals?

Back

They are highly reactive, especially with water, and have one valence electron.

Front

What is the main characteristic of Noble Gases?

Back

They are inert and do not readily form compounds due to having a full valence shell.

Front

What is the significance of the Periodic Law?

Back

It states that the properties of elements are a periodic function of their atomic numbers.

Front

What distinguishes Transition Metals from other groups?

Back

They have partially filled d orbitals and can exhibit multiple oxidation states.

Front

What is the general trend of electronegativity in the periodic table?

Back

Electronegativity increases across a period and decreases down a group.