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

Tags

NGSS.HS-PS1-1

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

Tags

NGSS.HS-PS1-1

A grouping of elements based on similar chemical properties, arranged by columns in the periodic table; also known as a group

• family

• period

• row

• isotope

A row on the Periodic Table of Elements

• family

• period

• row

• isotope

• Periods
• Groups

• Periods
• Groups

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

• energy levels
• valence electrons
• protons
• neutrons

Tags

NGSS.HS-PS1-1