Atomic Structure

What is the Periodic Table?

• a chart that lists all the molecules that exist in the universe

• a chart that shows all the elements scientists have discovered

• a chart that shows all the compounds found in the world

• a chart that shows what time periods elements were discovered in

What does an element's atomic number represent?

• the element state at room temperature

• how metallic an element is

• the number of atoms in a compound

• the number of protons in an element

Which of the following is the correct atomic model for Boron?

• 
• 
• 

How many neutrons are in Nitrogen?

*Click the image to make it larger.

• 14

• 7

• 21

What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

Which subatomic particle has a negative charge?

• Proton
• Neutron
• Electron
• Quark

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

What element is this model showing?

• Lithium
• Boron
• Carbon
• Neon

What is the atomic mass of "F"

• 9
• 18
• 17
• 19