Periodic Table Trends 1

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

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

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

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

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

• period
• group
• row

Elements in the same column of the periodic table always have the same # of _______ as one another.

• Protons
• Neutrons
• Electrons
• Valence Electrons

• 2

• 3

• 5

Tags

NGSS.MS-PS1-1

All elements found on the left side of the Periodic Table of the Elements have what properties in common?

• They conduct heat and electricity 
• They are all gases 
• They are brittle and dull
• They are radioactive

Which element has 3 valence electrons?

• A

• B

• E

• C

Tags

NGSS.MS-PS1-1

Which elements have the same number of valence electrons?

• A & C
• E & C
• F & A
• F & B