Periodic Table

GOLD

• Al
• Ag
• Ar
• Au

Tags

NGSS.MS-PS1-1

CHLORINE

• C
• Ca
• Cl
• Cu

Tags

NGSS.MS-PS1-1

CALCIUM

• C
• Ca
• Cu
• Cl

Tags

NGSS.MS-PS1-1

COPPER

• C
• Ca
• Cu
• Cl

Tags

NGSS.MS-PS1-1

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

• groups

• towers

• periods

• atomic numbers

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The Modern Periodic Table of Elements is arranged by

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

Sodium (Na) is found in period 

• 3
• 2
• 4
• 1

Tags

NGSS.HS-PS1-1

Sodium (Na) is found in group 

• 1
• 2
• 3
• 4

The atomic number tells you what?  READ THE ANSWERS CAREFULLY

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

What does the atomic mass tell you? 

• Basically,the number of electrons and protons
• The number of neutrons
• Basically, the number of protons and neutrons
• The number of protons.