Periodic Table Concepts and Trends

Front

What is the term for the horizontal rows in the periodic table?

Back

Periods

Front

How many groups are found in a modern periodic table?

Back

18

Front

What atom matches this electron configuration: 1s² 2s² 2p⁶ 3s²?

Back

Magnesium

Front

What is the energy required to remove an electron from an element in the gaseous state called?

Back

Ionization energy

Front

What type of elements form a diagonal separation zone between metals and nonmetals in the periodic table?

Back

Metalloids

Front

What is the term for the vertical columns in the periodic table?

Back

Groups

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 electronegativity as you move across a period from left to right?

Back

Electronegativity increases.

Front

What are the elements in group 1 of the periodic table called?

Back

Alkali metals

Front

What is the term for the ability of an atom to attract electrons in a chemical bond?

Back

Electronegativity