What particle in an atom's nucleus has no charge?

• proton
• newton
• neutron
• electron

An atom...

• is the smallest whole piece of matter
• is made up of an electron cloud, protons and neutrons
• has a nucleus
• all of the above

ATOMOS means ______ in Greek.

• indivisible
• divisible

Who said that all substances are made of atoms and atoms cannot be destroyed or  divided?

• Aristotle
• John Dalton
• Democritus
• The Beatles

Around what time period was the electron cloud model proposed?

• 1920's
• 1930's
• Ancient Greece
• 1890's

When did scientists find out there were smaller parts to an atom?

• 1897
• 1879
• 1923
• 1932

What two parts make up the nucleus of an atom?

• protons and nucleolus
• protons and electrons
• electrons and neutrons
• neutrons and protons

What is the name of the first series that was taken out of the Periodic Table?

• Lanthanide
• Lanthanum
• Actinium
• Actinide

What is the name of the second series that was taken out of the Periodic Table?

• Lanthanide
• Lanthanum
• Actinium
• Actinide

What is the name of the ELEMENT in the first series of elements that are taken out of the Periodic Table?

• Lanthanide

• Lanthanum

• Actinium

• Actinide