Periodic Table Trends

Who is credited with creating the Periodic Table?

• Niels Bohr

• Isaac Newton

• Dmitri Mendeleev

• Albert Einstein

The atomic number tells you the number of __________ .

• Ions

• Protons

• Neutrons

• Electrons

How many energy levels does Barium, Ba, have?

• 2

• 4

• 6

• 7

Majority of the elements on the periodic table fall under which classification?

• Metals

• Metalloids

• Non-Metals

Which group of elements is said to be nonreactive due to having a full outer shell?

• 1

• 2

• 17

• 18

Elements in the same __________ are said to have similar physical and chemical properties.

• Table

• Group

• Period

• Section

How many valence electrons does Calcium, Ca, have?

• 1

• 2

• 4

• 20

How many valence electrons does Helium, He, have?

• 1

• 2

• 8

• 10

Select the element that has the smallest atomic radius.

• Sulfur, S

• Phosphorous, P

• Silicon, Si

• Aluminum, Al

The highlighted group represents the ______________ .

• Alkali Metals

• Alkaline Earth Metals

• Transition Metals

• Halogens