Periodic Table

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

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

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

Tags

NGSS.HS-PS1-1

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 6 represent?

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

Tags

NGSS.HS-PS1-1

These are found on the Periodic Table.

• Compounds
• Elements
• Mixtures

Tags

NGSS.HS-PS1-1

what is the name of group number 1

• halogens

• noble gases

• alkali metals

• alkaline earth metals

what is the name of group number 2

• transition metals

• halogens

• metaloids

• alkaline earth

what is the big group in the centre of the table called?

• transition metals

• nonmetals

• noble gases

• halogens