Atomic Structure

Which subatomic particle(s) make up the nucleus of an atom?

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

How many protons does carbon have?

• 12
• 14
• 4
• 6

How many total electrons does Neon have?

• 10
• 20.1
• 8
• 18

How many neutrons does iron (Fe) have?

• 30
• 56
• 26
• 8

Which subatomic particle does not have any charge?

• Protons
• Neutrons
• Electrons
• All of them

The atomic number is equal to

• Number of Protons
• Number of Neutrons
• Number of Protons and Neutrons
• Number of Neutrons and Electrons

Where are electrons found in an atom?

• Nucleus

• Orbiting the Nucleus

• Scattered throughout the atom like chocolate chips in a cookie.

• None of the above

How many protons does strontium have?

• 88
• 50
• 67
• 38

How many electrons does a neutral atom of radium have? 

• 88
• 226
• 138
• 2

How many neutrons does an atom with an atomic mass of 9 and an atomic number of 5 contain?

• 5
• 9
• 4
• 1