Periodic Table of the Elements

Mendeleev arranged the elements by their ________________

• alphabetical

• density

• melting point

• atomic mass

The horizontal rows on the periodic table are called

• groups

• families

• periods

• atomic numbers

Each vertical column on the periodic table is called a...

• group

• tower

• period

• crew

Tags

NGSS.MS-PS1-1

In each square of the periodic table, the number at the bottom is the:

• atomic number

• average atomic mass

• chemical symbol

• element name

Tags

NGSS.MS-PS1-1

The number at the top of each square on the periodic table is the ...

• atomic number
• atomic mass
• Chemical Symbol
• Element Name

Most of the elements on the periodic table are classified as _____.

• Metals
• Nonmetals
• Metalloids
• Periods

Tags

NGSS.MS-PS1-1

In the modern periodic table elements are arranged by:

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

How many Valance electrons does Iodine Have?

• 6

• 16

• 7

• 17

Beryllium is in group number______.

• Group 2
• Group 3
• Group 4
• Group 7

An element's identity is determined by the number of

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