FAMILIES in the PT

The horizontal (side to side) rows in the Periodic Table are called

Group 1: These metals are extremely reactive. They all have one valence electron. They are shiny and silver in color. They are soft and can be cut with a knife.

Which two elements on the periodic table are in the same group?

Which of the following would be elements that are found in the same period?

Which element is in Group 18 and period 4?

The periodic table is mostly comprised of what type of element?

Which family of elements reacts violently with water and exposure to oxygen?

what group number are the noble gases

what group number are the halogens

------ are poor conductors of heat and electricity