WG 4-1 Part 2 Development of PT

Each vertical column in the periodic table is called a

• period

• group

• valence

• unit

Which group of the periodic table is composed of elements that are "Happy" and don't want to interact with other elements on the PT?

• alkali metals
• alkaline earth metals
• halogens
• noble gases

The elements along the stairstep are called

• metals

• nonmetals

• metalloids

• noble gases

Tags

NGSS.HS-PS1-1

Which is a halogen?

• Helium

• Chlorine

• Oxygen

• Argon

Which is an alkali metal?

• Magnesium

• Iron

• Sodium

• Chlorine

A horizontal row of elements in the periodic table.

• column
• group
• period

Elements in a ..................have similar chemical properties.  

• Period (row)

• Group (column)

The elements on the right of the zigzag line are:

• metals

• nonmetals

• metalloids / semi-metals

The elements on the left of the zigzag line are:

• metals

• nonmetals

• metalloids / semi-metals

The elements TOUCHING the zigzag line are:

• metals

• nonmetals

• metalloids / semi-metals