2.3 The Periodic Table Quiz

How are elements arranged in the periodic table?

• By increasing atomic mass

• By increasing number of electrons

• By increasing atomic number

• By increasing number of neutrons

What is the maximum number of electrons that can usually be held in the outer energy level?

• 2

• 8

• 6

• 4

What do elements in the same group have in common?

• Same number of electrons in their outer energy level

• Same number of neutrons

• Same number of protons

• Same atomic mass

How many periods are there in the periodic table?

• 7

• 8

• 6

• 5

What is the maximum number of electrons that can be held in energy level 2?

• 4

• 8

• 2

• 6

What is the maximum number of electrons that can be held in energy level 1?

• 2

• 8

• 4

• 6

What is used to represent outer energy level electrons in an Electron Dot Diagram or Bohr Model?

• Numbers

• Letters

• Dots

• Lines

Who arranged the elements in the periodic table by atomic number?

• Niels Bohr

• Dmitri Mendeleev

• Henry G. J. Moseley

• Marie Curie