Atomic Structure Quiz

What sub-atomic particles are found in the nucleus of an atom?

• protons and electrons
• electrons and neutrons
• protons and neutrons

What subatomic particle always determines the identity of an atom?

• protons
• electrons
• neutrons

What subatomic particle has essentially no mass?

• protons
• electrons
• neutrons

What is the overall charge of an atom is ______ and the overall charge of the NUCLEUS of an atom is _____.

• neutral (0), negative (-)
• neutral (0), neutral (0)
• neutral (0), positive (+)
• positive (+), negative (-)

What two parts of the atom have an atomic mass of approximately 1 amu (atomic mass unit)?

• protons and electrons
• electrons and neutrons
• protons and neutrons

The one- or two-letter abbreviation of an element on the Periodic Table is called its...

• short form
• contraction
• symbol
• nickname

What is the atomic number of potassium?

• 1
• 4
• 19
• 39

What is the mass number of chlorine?

• 3
• 17
• 35

What element is in Group 2, Period 3?

• magnesium
• aluminum
• lithium
• germanium

Silicon is in what group and period?

• Group 4, Period 2
• Group 4, Period 3
• Group 14, Period 2
• Group 14, Period 3