2.2-The Periodic Table and Atomic Structure - 1

An element's chemical or physical properties are due to its _____.

• atomic number

• neutron count

• electronic configuration

• atomic mass

The electrons of elements in Groups 1A and 2A finish in the _____.

• p-level

• d-level

• s-level

• f-level

The electrons of elements in Groups 3A to 7A finish in the _____.

• s-level

• p-level

• d-level

• f-level

The electrons of elements in Groups 1B to 8B finish in the _____.

• s-level

• p-level

• d-level

• f-level

The electrons of elements in the Lanthanide and Actinide series finish in the _____.

• s-level

• p-level

• d-level

• f-level

The elements of Group 8A are called _____.

• alkali metals

• noble gases

• halogens

• representative elements

The elements from Groups 1A through 7A are called _____.

• transition elements

• representative elements

• noble gases

• metalloids

Group 1A are called _____. They have 1 electron in their outer most shell. (1 electron in s-subshell).

• halogens

• noble gases

• alkali metals

• alkaline earth metals

Group 2A are called _____. They have 2 electrons in their outer most shell. (2 electrons in s-subshell).

• transition metals

• alkaline earth metals

• alkali metals

• halogens

The non-metals of Group 7A are called _____.  They have 7 electrons in their outer most shell. (2 electrons in s-subshell and 5 electrons in p-subshell).

• noble gases

• alkali metals

• halogens

• metalloids