Atomic Structure Quiz

What determines the atomic number and name of an atom?

• The number of neutrons in its nucleus

• The number of protons in its nucleus

• The number of electrons in its electron shells

• The total mass of the atom

What is the mass number of an atom?

• The total number of protons and electrons

• The total number of neutrons and electrons

• The total number of protons and neutrons

• The total number of electrons in the valence shell

How does the atomic number change as you go across a period in the periodic table?

• It decreases by one

• It remains the same

• It increases by one

• It fluctuates randomly

What are the vertical columns in the periodic table called?

• Periods

• Groups

• Rows

• Triads

What subatomic particles are responsible for most of the mass of an atom?

• Electrons

• Protons and neutrons

• Neutrons and electrons

• Protons and electrons

What is the atomic number used for in the periodic table?

• To determine the mass of an element

• To order the elements

• To find the number of neutrons

• To calculate the valence electrons

What can the electron configurations of the elements explain?

• The atomic mass of elements

• The properties of the elements

• The number of protons in elements

• The color of elements

What enables you to identify trends in electron shell arrangements and the properties of elements?

• Knowing the atomic mass

• Understanding the periodic table

• Counting the number of neutrons

• Measuring the atomic radius

What affects the way atoms bond with other atoms?

• The number of protons

• The number of neutrons

• The electrons orbiting around the nucleus

• The atomic mass

What is the significance of the electron configurations in understanding the periodic table?

• It helps in determining the atomic mass

• It helps in identifying trends in electron shell arrangements

• It helps in finding the number of neutrons

• It helps in measuring the atomic radius