Chapter 1 Chemistry test review

Anything that takes up space and has mass is known as _______________.

• Matter
• Molecules
• Compounds
• Stuff

What are the building blocks of MATTER?

• Atoms
• Cells
• Protons
• Neutrons

What are the positively charged particles in an atom?

• Protons
• Neutrons
• Electrons

Electrons have what charge?

• Negative
• Positive
• Neutral
   (No Charge)

The nucleus of an atom is made up of...

• Protons and Neutrons
• Neutrons and Electrons
• Protons and Electrons

A(n) ____________________ is a pure substance made of a single type of atom and cannot be broken down.

• Element
• Compound
• Molecule
• Mixture

What does the ATOMIC MASS tell us about an atom?

• Protons + Neutrons
• Protons + Electrons
• Neutrons + Electrons

What is the atomic number of this atom?

• 1
• 3
• 4
• 7

An element is defined by its number of 

• protons
• electrons
• neutrons
• protons + electrons

Isotopes of an element have a different number of...

• Protons

• Neutrons

• Electrons

• Mass