Periodic Table Groups

Front

Moseley improved the pattern of properties in the periodic table by arranging elements by _____

Back

atomic number

Front

The chemical properties of an element are determined by the number of _____

Back

valence electrons

Front

What are valence electrons?

Back

The outermost electrons

Front

How many d orbitals are there in a given sublevel?

Back

5

Front

Who invented the Periodic Table?

Back

Mendeleev

Front

What is the Periodic Table?

Back

A tabular arrangement of chemical elements organized by atomic number, electron configuration, and recurring chemical properties.

Front

What are groups in the periodic table?

Back

Vertical columns that group elements with similar chemical properties.

Front

What are periods in the periodic table?

Back

Horizontal rows that indicate the number of electron shells in the elements.

Front

What is the significance of valence electrons in chemical bonding?

Back

They determine how an element will bond with others, influencing reactivity.

Front

What is the octet rule?

Back

Atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.