Atoms and Matter

1.Why are the properties of the two objects below different?  Diamonds    Copper Wire

•  
  They are different colors.
• They are made differently.
• The atoms making up both objects are different.
• The diamond is a pure substance and the copper is not.

What is the smallest part of an element that still retains the same properties of the element?

• Nucleus
• Electron
• Molecule
• Atom

What feature of an atom of an element determines the identity of that element?

• The number of electrons
• 
  The number of protons
• The number of neutrons
• The number of protons and neutrons

In order for something to be identified as "matter" it must have _______ and occupy_________.

• Mass/Space
• Volume/Mass
• Atoms/Time
• Protons/Volume

The main purpose of the periodic table is to______?

• list the elements
• organize the elements into groups based on similar properties
• number the elements
• assign symbols to the elements

The main purpose of the periodic table is to______?

• list the elements
• organize the elements into groups based on similar properties
• number the elements
• assign symbols to the elements

What particles are in the nucleus of an atom?

• protons and electrons
• electrons and neutrons
• neutrons and protons
• protons, neutrons, and electrons

What particles are in the nucleus of an atom?

• protons and electrons
• electrons and neutrons
• neutrons and protons
• protons, neutrons, and electrons

In the image, the number 7 is the ______ of Nitrogen.

• Atomic Number
• Element Symbol
• Atomic Mass
• Atomic Element

In the image, the N represents the ______of Nitrogen.

• Atomic Number
• Element Symbol
• Atomic Mass
• Atomic Element