Periodic Table

The atomic number is located at the _______ of the box

• bottom
• middle
• top

The atomic number tells us the number of _____________

• electrons
• protons
• neutrons
• protons and neutrons

The atomic mass is located at the _________ of the box

• bottom
• middle
• top

The atomic mass tells us _________________

• the total number of protons in an atom.
• the total numbers of protons and electrons in an atom

• the total number of protons and neutrons in an atom

True or False: The elements on the period table are grouped based on their characteristics

• True
• False

True or False: The groups (columns) and periods (rows) tell us information about the electrons on an atom

• False
• True

Review: Protons have a _______ charge

• positive
• neutral
• negative

Review: Electrons have a __________ charge

• negative
• neutral
• positive

Review: Neutrons have a ________ charge

• positive
• neutral
• negative

Which two subatomic particles are located in the nucleus of the atom?

• protons

• neutrons

• electrons