Unit 2: Periodic Table Review

What is the group number for alkali metals on the periodic table?

• Group 2

• Group 1

• Group 17

• Group 18

Which scientist created the first periodic table?

• Mendeleev

• Newton

• Curie

• Bohr

What does the atomic number of an element represent?

• Number of neutrons

• Number of protons

• Number of electrons in the outer shell

• Atomic mass

Which group on the periodic table contains the noble gases?

• Group 1

• Group 2

• Group 17

• Group 18

What is the element symbol for sodium?

• S

• So

• Na

• N

Which of the following best describes a metalloid?

• Only conducts electricity

• Has properties of both metals and nonmetals

• Is always a gas

• Is always a solid

What is a period on the periodic table?

• Vertical column

• Horizontal row

• Group of gases

• Group of metals

Which group contains very reactive nonmetals that form salts?

• Alkali metals

• Halogens

• Noble gases

• Transition metals

What is the main characteristic of synthetic elements?

• They are found naturally

• They are man-made and usually radioactive

• They are always gases

• They are always metals

Which elements are found in period number 3 of the periodic table?

• H, He, Li

• Na, Mg, Al

• K, Ca, Sc

• F, Ne, Ar