Chemical Families

Besides the symbols and names of elements, what other information is found on the Periodic Table?

• their value on the free market

• the structure of their atoms

• the wholesale price

• the legal age for purchase

What is the atomic number for aluminum?

• 1

• 26.98

• 26

• 13

All of the following are chemical families EXCEPT ___.

• Gases

• Halogens

• Noble gases

• Alkali metals

Why are the elements in Group 8A (18) called Noble gases?

• They were discovered by the royal family.

• They are more valuable than other gases.

• They rarely take part in a reaction.

• They are highly reactive.

The image shows information about the element sodium. What is the row of letters and numbers at the bottom called?

• chemical family

• neutral charge

• element symbol

• electron configuration

Why are these elements referred to as Representative Elements?

• they all have the same chemical properties

• they react in similar ways

• they display a wide range of chemical properties

• they have no chemical properties

Which list of elements includes members of the transition metals?

• Iron, nickel, zinc

• helium, neon, argon

• hydrogen, lithium, sodium

• boron, aluminum, gallium

What is the name of this chemical family?

• Noble gases

• representative elements

• alkali metals

• alkali earth metals

Name 1 element that is liquid at room temperature.

• hydrogen

• mercury

• oxygen

• carbon

The element symbol for iron includes the number 55.845. What is this number called?

• atomic number

• atomic mass

• atomic configuration

• atomic element