Chemistry

Chemistry

Multiple Choice

Atomic Mass is the number of

• protons and neutrons in the nucleus of an atom

• protons and electrons in the nucleus of an atom

• neutrons and electrons in the nucleus of an atom

Multiple Choice

Chemical Formulas ...

• are written in alphabetical order 
• represent the destruction or creation of atoms 
• represent how atoms are arranged in a chemical reaction 

Multiple Choice

A chemical change happens when...

• a substance is changed at the atomic level 
• bonds are broken and formed 
• a new substance is made
• all of the above! 

Multiple Choice

What are the 3 particles that make-up the atom?

• protons, neutrons, and isotopes
• neutrons, isotopes, and electrons
• positives, negatives, and electrons
• protons, neutrons, and electrons

Multiple Choice

What does a represent?

• Proton

• Neutron

• Electron