Periodic Table: The Introduction

Which person was the first to organize the periodic table by atomic mass?

• Mooseley

• Dmitri Mendeleev

• Lothar Meyer

How are the elements arranged on the periodic table today?

• By atomic mass

• By number of electrons

• By atomic number

• By alphabetic order

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

• groups

• towers

• periods

• atomic numbers

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.

What does the 6 represent?

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

Tags

NGSS.HS-PS1-1

What does the C 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

Who arranged the elements by increasing atomic number?

• John Newlands

• Lothar Meyer

• Dmitri Mendeleev

• Henry Moseley

What are the rows in the periodic table called?

• Families

• Groups

• Periods

• Orbitals

What are the columns in the periodic table called?

• Periods

• Groups

• Orbitals

• Energy Levels