CE Chemistry Revision - Quiz A

Basic unit of matter - what is the smallest piece of matter known?

• Element 

• Atom

• Molecule

• Compound

How many protons does Carbon have?

• 3
• 4
• 5
• 6

What is the negatively charged part of an atom located in levels outside the nucleus called?

• Proton

• Neutron

• Electron

The density of water is 

• .1 g/cubic cm
• 10g/cubic cm
• 1.0 g/cubic cm
• 0 g/cubic cm

What is the symbol for chlorine?

• C
• Ch
• Ce
• Cl

Which of these elements has a symbol which DOES NOT include a letter from its name?

• iron
• helium
• magnesium
• zinc

A _________ is a substance made of two or more DIFFERENT elements chemically combined. 

• mixture

• compound

• substance 

• alloy

The two particles located inside the nucleus of an atom are  

• Protons and Electrons 

• Protons and Neutrons 

• Electrons and Neutrons 

• Neutrons and Molecules 

How many ATOMS are in the following compound:  C₂H₄O₂

• 3
• 8
• 1
• 6

How many MOLECULES are in the following compound:  CaCO₃

• 1
• 3
• 5
• 0