Periodic Table

What determines an element's reactivity?

If an element has the same energy levels/shells as another element, they are in the same ______

As you go from top to bottom on the periodic table, density _________

Which group is the only group made up entirely of gases?

If an element has similar chemical properties to another, it is in the same_________

The energy levels increase as you go from top to bottom

Metalloids are

Which group contains the most reactive non-metals?

Periods on the table go

An element that is dull and does not conduct heat or electricity would be considered

The atomic mass and atomic number decrease from left to right across the periodic table

Which group is stable, non-reactive or inert?

Metals on the table go

An element that is shiny, malleable, and a good conductor of heat and electricity would be a

An element that has properties of both metals and nonmetals would be considered

Groups on the table go

Similar chemical Properties on the table go

Nonmetals on the table go

Which group contains the most reactive metals

Stable atoms have