Periodic Table Quiz

What scientist is credited with first developing the periodic table that we use today?

Fluorine & chlorine are elements in which group?

When did Gross Catholic last win a state championship in football?

How many months of the year have 30 days?

Are potassium and calcium in the same group or the same period?

The masses/natural distribution of an element's isotopes help to determine an element's what?

What is the name for an electron that is at the highest occupied energy level of an atom?

Elements that have properties which are in between those of metals & nonmetals are called what?

What is the most abundant METAL in earth's crust?

Elements that are good conductors of heat & electricity are called what?

What is the most abundant element in earth's crust?

Elements that are mainly gases at room temperature and are brittle when solid are called what?

Which of these elements are commonly used as fertilizers?

Which periodic table group is the least reactive?

As you move down the alkaline earth metal group, the elements become more reactive with what?