Periodic Table Review

What does the 8 represent in the image attached?

• Atomic mass

• Element symbol

• Atomic number

• Element name

Tags

NGSS.MS-PS1-1

What does the decimal number at the bottom of the attached image represent?

• Atomic mass

• Element symbol

• Atomic number

• Element name

How many periods can be found on the periodic table?

• 10

• 5

• 18

• 7

How many groups are on the periodic table, and are they vertically or horizontally arranged?

• 18; vertically

• 7; horizontally

• 18; horizontally

• 10; vertically

Which category of elements are found on the far right column of the periodic table (group 18)?

• Metalloids

• Noble Gases

• Alkali Metals

• Transition Metals

Which of the following is the category of elements that forms a barrier between the metals and the nonmetals on the periodic table? (looks like a staircase)

• Noble Gases

• Lanthanoids

• Metalloids

• Halogens

What determines an element’s atomic number?

• The element's mass

• The number of neutrons it has

• The size of the element

• The number of protons it has

Which two subatomic particles determine an element’s mass number?

• Electrons and neutrons

• Protons and neutrons

• Protons and electrons

• None of the above

What is the difference between an Element’s Atomic Mass and Mass Number?

• The Atomic Mass counts the number of electrons

• The Mass Number = Atomic Mass - # of Neutrons

• Atomic Mass is an avg. mass; Mass # is total amount of protons and neutrons

• They are always the same number

Who is the inventor of the modern Periodic Table?

• Albert Einstein

• Dmitri Mendeleev

• Marie Curie

• Isaac Newton