2nd 9 Weeks Review

In the modern periodic table elements are arranged by:

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

Each column in the periodic table is called a 

• period
• group
• cluster
• unit

Tags

NGSS.HS-PS1-1

The atomic number tells you what?

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

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.MS-PS1-1

The yellow atoms are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.MS-PS1-1

The period for Bromine is ___________.

• 3
• 2
• 4

Beryllium is in group number______.

• Group 2
• Group 3
• Group 4
• Group 7

Elements in the same ________ are more chemically similar.

• group
• period
• club
• table

The majority of elements on the periodic table are

• man made.
• nonmetals.
• metals.
• gases.

The family in the periodic table that contains the most reactive metals is the_______

• Alkaline Earth Metals
• Transition Metals 
• Alkali Metals
• Other Metals