5B (Periods and Groups)

Front

What is a halogen?

Back

Halogens are a group of elements in Group 17 of the periodic table, known for being highly reactive nonmetals. Examples include fluorine, chlorine, bromine, and iodine.

Front

Which element is a halogen?

Back

Iodine is a halogen.

Front

What are metals?

Back

Metals are elements that are shiny, conduct electricity and heat, and are malleable and ductile. Examples include iron, copper, and gold.

Front

What is the group number in the periodic table?

Back

The group number indicates the number of valence electrons in the outer shell of the elements in that group.

Front

What are valence electrons?

Back

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

Front

What group does iron belong to?

Back

Iron belongs to the Transition metals group.

Front

What are groups in the periodic table?

Back

Groups are the vertical columns in the periodic table, where elements share similar chemical properties and the same number of valence electrons.

Front

What are periods in the periodic table?

Back

Periods are the horizontal rows in the periodic table, indicating the number of energy levels in the atoms of the elements.

Front

What are alkali metals?

Back

Alkali metals are the elements in Group 1 of the periodic table, known for being highly reactive and having one valence electron. Examples include lithium, sodium, and potassium.

Front

What are alkaline earth metals?

Back

Alkaline earth metals are the elements in Group 2 of the periodic table, known for having two valence electrons. Examples include magnesium and calcium.