Biochemistry

Subatomic particles with a negative charge

• Electrons

• Neutrons

• Protons

• Quarks

Subatomic particles with a positive charge

• neutrons
• atomic mass
• protons
• isotopes

Value representing the number of protons in an element

• Atomic Mass
• Mass Number
• Valence Electrons
• Atomic Number

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

Which two subatomic particles make up the nucleus of an atom?

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

Where are the Electrons found in the structure of an atom?

• In the nucleus
• In spaces around the nucleus

What is the mass number?

• the number of protons in the nucleus

• the number of protons and neutrons in the nucleus

• the number of neutrons in the nucleus

• the number of protons and electrons in the atom

What does the C represent?

• atomic mass
• atomic number
• element name
• chemical symbol 

What does the 6 represent?

• Atomic mass

• atomic number

• chemical symbol

• element name

Which of the following determines the identity of an element?

• number of protons

• atomic mass

• number of neutrons

• number of shells