Periodic Table Test Review

In the modern periodic table elements are arranged by:

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

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• the mass number

Elements which are shiny, conduct electricity and heat are called ___________.

• metal
• nonmetal
• metalloid
• nonexistent

Which element is not a metal?

• Fe
• Re
• Al
• B

The elements along the staircase are called ________.

• metals
• nonmetals
• metalloids
• noble gases

• Periods
• Groups

How many valence electrons are found in atoms of group 14?

• 4
• 3
• 14
• 16

Tags

NGSS.HS-PS1-1

Which group has the greatest number of valence electrons?

• 1
• 14
• 18
• 16

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What are valence electrons?

• The total number of electrons in an atom

• The number of electrons in the outermost shell

• The number of electrons in the second shell

• The number of protons in the outermost shell

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Columns on the periodic table are called ______________.

• groups

• lines

• periods

• rules