Periodic Table

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

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

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

Tags

NGSS.HS-PS1-1

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.HS-PS1-1

A horizontal row of elements in the periodic table.

• column
• group
• period

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

• period
• group
• row

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The majority of elements are classified as ________ and are located on the left side/middle of the periodic table.

• Metals
• Noble Gases
• Nonmetals
• Metalloids

Most of these elements are gases and are located on the right side of the periodic table

• Metalloids
• Compounds
• Nonmetals
• Metals

Which two groups on the Periodic Table are the MOST reactive?

• Group 1 and Group 7A (17)
• Group 2 and Group 6A (16)
• Group 13 and Group 5A (15)
• Group 17 and Group 8A (18)