Periodic Table of Elements

What are the vertical columns on the periodic called?

• groups

• periods

• nonmetals

• metals

• metalloids

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

Which elements have 1 valence electron?

• period 1

• group 1

• group 4

Elements in the same ________ are more chemically similar.

• group
• period
• club
• table

Which elements have the most similar chemical properties?

• K and Na
• K and Ca
• K and Cl
• K and S

Tags

NGSS.HS-PS1-2

The electrons in the outermost shell (main energy level) of an atom; these are the electrons involved in forming bonds

• alkali metals (group 1)

• Halogens (Group 17)

• atomic number

• valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A subatomic particle that has a negative charge

• nobles gases

• protons

• electrons

• neutrons

Tags

NGSS.MS-PS2-3

neutron

• A subatomic particle that has a positive charge and that is found in the nucleus of an atom

• not able to conduct heat or electricity, little to no metallic luster

• A subatomic particle that has a negative charge

• A small particle in the nucleus of the atom, with no electrical charge

The Modern Periodic Table of Elements is arranged by

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

What does the 6 represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

Tags

NGSS.MS-PS1-1