PS Periodic Table

Group 18 elements are known as the _____ _____ and have full valence shells.

• royal gases.
• supreme solids.
• noble gases.
• legit liquids.

Elements in the same ________ are more chemically similar.

• group
• period
• club
• table

An atom is made up of mostly

• protons.
• neutrons.
• empty space.
• electrons.

The father of the modern periodic table is

• John Dalton
• Niels Bohr
• Democritus
• Dimitri Mendeleev

The periodic table has __ periods.

• 18
• 8
• 2
• 7

The periodic table has __ groups.

• 8
• 7
• 18
• 2

Elements that are poor conductors of heat and electricity. Many are gasses at room temperature

• metals
• nonmetals
• metalloids
• transition metals

The period for Bromine is ___________.

• 3
• 2
• 4

Beryllium is in group number______.

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

Which scientist is credited with discovering the negatively charge subatomic particles in the atom?

• Neils Bohr
• J.J. Thompson
• Ernest Rutherford
• Dalton