Periodic Table & Trends

Front

What are the vertical columns in the periodic table called?

Back

Groups or Families

Front

What are the horizontal rows in the periodic table called?

Back

Periods

Front

What is the term for the ability of an atom to attract electrons?

Back

Electronegativity

Front

What rule states that properties of elements repeat every eighth element?

Back

Octet Rule

Front

What effect describes how core electrons block the nuclear pull on valence electrons?

Back

Shielding Effect

Front

Who is known for creating the first periodic table based on atomic mass?

Back

Dmitri Mendeleev

Front

What is the trend in atomic radius as you move down a group in the periodic table?

Back

Atomic radius increases.

Front

What is the trend in ionization energy as you move across a period from left to right?

Back

Ionization energy increases.

Front

What is the trend in electronegativity as you move down a group in the periodic table?

Back

Electronegativity decreases.

Front

What is the significance of the octet rule in chemical bonding?

Back

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