Unit 2: The Periodic Table!

Front

What is each column in the periodic table called?

Back

Group

Front

What does the atomic number represent?

Back

The number of protons in an atom.

Front

Which is larger: Ca or Ca+2?

Back

Ca is larger than Ca+2.

Front

What happens to atomic radii as you move across a period in the periodic table?

Back

Atomic radii decreases.

Front

Which group of the periodic table contains inert gases?

Back

Noble gases.

Front

What is the significance of the periodic table's arrangement?

Back

Elements are arranged by increasing atomic number and similar chemical properties.

Front

What are the main categories of elements in the periodic table?

Back

Metals, nonmetals, and metalloids.

Front

What is the general trend of electronegativity across a period?

Back

Electronegativity increases across a period.

Front

What is the general trend of ionization energy down a group?

Back

Ionization energy decreases down a group.

Front

What are alkali metals and where are they located in the periodic table?

Back

Alkali metals are located in Group 1 and are highly reactive.