Organization of the Periodic Table

Most of the nonmetals on the periodic table are located...

• on the left side
• at the bottom
• on the right side
• in the middle

In the modern periodic table, elements are arranged by:

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

_______ are the ROWS on the periodic table.

• Families
• Groups
• Periods
• Elements

________ are the COLUMNS on the periodic table and are organized by similar properties.

• Classifications
• Groups
• Periods
• Elements

Tags

NGSS.HS-PS1-2

Atoms with similar properties are most likely located...

• in the same period.
• in the same group.
• in different periods.
• to the right and left of each other.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

As you move from left to right across the periodic table, the atomic number increases. 

• True
• False

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Most of the elements on the periodic table are classified as "metal".

• True
• False

The yellow atoms are called 

• metals
• nonmetals
• metalloids
• noble gases

Tags

NGSS.HS-PS1-1

An element's identity is determined by the number of

• electrons.
• protons.
• neutrons.
• valence.

Who arranged the first periodic table.

• Mosely
• Einstein
• Mendeleev
• Bohr