Review Periodic Table and Electron Configuration

Each column in the periodic table is called a _________ .

• period
• group
• cluster
• unit

Elements that are arranged in __________ have the most similar physical and chemical properties to each other.

• periods
• groups

Periods on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Groups on the periodic table are __________.

• Horizontal Rows
• Vertical Columns

Vertical columns of elements that DO share chemical properties (react the same) because they have the same number of VALENCE ELECTRONS in their outer shells.

• Groups

• Periods

Horizontal rows of elements that share the same number of ENERGY LEVELS but DO NOT share chemical properties.

• Groups

• Periods

The periodic table is arranged by increasing ______ ______, which is equal to the number of protons.

• atomic mass

• atomic number

As you go down the Periodic Table the size and mass of the atoms _________.

• increases

• decreases

• cannot be determined

Tags

NGSS.HS-PS1-1

The period number tells you the number of ______ _______.

• valence electrons

• energy levels

The group number tells you the number of _______ ________.

• valence electrons

• energy levels

Tags

NGSS.HS-PS1-1