2.5 - Periodic Table & Trends

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which group of the periodic table is composed of inert (not reactive)  gases?

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

Tags

NGSS.HS-PS1-1

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.HS-PS1-1

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Tags

NGSS.HS-PS1-1

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

• period
• group
• row

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The metals are located

• to the left of the stair step.

• to the right of the stair step.

• on and around the stair step.

The non-metals are located

• to the left of the stair step.

• to the right of the stair step.

• on and around the stair step.

The metalloids are located

• to the left of the stair step.

• to the right of the stair step.

• on and around the stair step.

Who is credited with creating the Periodic Table?

• Niels Bohr

• Isaac Newton

• Dmitri Mendeleev

• Albert Einstein