Unit 5 Review

Front

What do elements in the same group have in common?

Back

Elements in the same group have the same number of valence electrons.

Front

What group is Iodine (I) in?

Back

Iodine (I) is in Group 17.

Front

As you move from left to right on the periodic table, elements become:

Back

Less metallic.

Front

What do elements in the same period have in common?

Back

Elements in the same period have the same number of energy levels.

Front

Which period is Gold (Au) in?

Back

Gold (Au) is in Period 6.

Front

Define 'valence electrons'.

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is the periodic table?

Back

The periodic table is a tabular arrangement of chemical elements, organized by increasing atomic number.

Front

What is the significance of Group 1 elements?

Back

Group 1 elements are alkali metals, known for being highly reactive and having one valence electron.

Front

What are transition metals?

Back

Transition metals are elements found in Groups 3-12 of the periodic table, known for their ability to form various oxidation states.

Front

What is the atomic number?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.