Chapter 8, Lesson 1 Vocabulary Quiz

What is the average mass of all the isotopes of an element?

• Atomic mass

• Atomic number

• Nucleus

• Proton

What is an arrangement of elements showing the repeating patterns of their properties?

• Periodic table

• Isotope

• Neutron

• Electron

Where is the center of an atom located?

• Atomic mass

• Atomic number

• Nucleus

• Proton

What are different versions of the same element called?

• Atomic mass

• Atomic number

• Isotope

• Proton

What are the positively charged particles in the center of an atom that define the element?

• Atomic mass

• Atomic number

• Nucleus

• Proton

What is the number of protons in an atom called?

• Atomic mass

• Atomic number

• Nucleus

• Proton

What is a particle with no charge called?

• Atomic mass

• Atomic number

• Neutron

• Proton

What are the negatively charged particles on the outside of an atom called?

• Atomic mass

• Atomic number

• Nucleus

• Electron

What are the letters that represent an element called?

• Atomic mass

• Atomic number

• Chemical symbol

• Proton

What is one of the 7 rows of the periodic table called?

• Period

• Group

• Nucleus

• Proton