Atomic Structure/Valence Electrons

What is the name of group number 1?

• halogens

• noble gases

• alkali metals

• alkaline earth metals

What is the name of group number 2?

• transition metals

• halogens

• metaloids

• alkaline earth metals

What group number are the halogens found?

• 18 (8A)

• 1

• 2

• 17 (7A)

Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.

• numbers, rows

• masses, rows

• masses, column

• numbers, column

A row on the Periodic Table of Elements

• family

• period

• row

• isotope

Which element is found in group 2, period 6?

• Oxygen (O)

• Barium (Ba)

• Selenium (Se)

• Carbon (C)

What is the name of group number 1?

• halogens

• noble gases

• alkali metals

• alkaline earth metals

What is the name of group number 2?

• transition metals

• halogens

• metaloids

• alkaline earth metals

where are the metaloids found

• far left, vertical

• stair step/diagonal

• far right horizontal

• at the bottom

What group number are the halogens found?

• 18 (8A)

• 1

• 2

• 17 (7A)