Chemistry Periodic table

studying for quiz

Elements in the periodic table are now arranged according to their

Elements in the periodic table are now arranged according to their Atomic number

Where are the metals located?

To the left and center of the stairstep line

Where are the nonmetals located?

To the right of the stairstep line (except hydrogen)

What are the elements called that touch the stairstep?

metalloids or semi-metals

The majority of the elements in the periodic table are…

metals

List the chracteristic physical properties that distinguish the metallic elements from the nonmetallic elements

Metals- good conductors of heat/electricity, malleable, ductile, shiny, solid at room temperature (except mercury), Non-metals- poor conductors, varied states at room temperatures

As you go from left to right across the periodic table, the elements go from…. to ….

Metals, nonmetals

Elements in group one are called…

Elements in group two are called…

Elements in groups 3-12 are called…

Group 17 elements are called

Group 18 are called….. Why?

Noble gases. They are extremely unreactive because they have a complete outer valance electron shell

What are the 8 diatomic elements?

Br I N Cl H O F Bromine, Iodine, Nitrogen, Chlorine, Hydrogen, Oxygen, Flourine

How many gaseous elements are there?

11 elements

Which elements exist in the liquid state at room temperature?

Bromine (Br) and Mercury (Hg)