Chapter 12- The Periodic Table

What is necessary for substances to burn?

Chlorine and iodine are these

Most of the elements in the periodic table are

These metals react with water to form hydrogen.

The number beneath carbon indicates the

Which of the following elements is the most metallic

Which element group has all nonmetals

The vertical column of elements on the periodic table is called a

Which of these elements is the least metallic

Which one of the following tells the physical state of an element at room temperature

Cement and chalk are compounds of this

The horizontal row on the periodic table is called a

The number at the top is the

Diamond and soot are forms of this

This is a colorless, odorless gas

Some of these reactive metals are used to make steel

This makes up about 80% of the air we breathe

Light bulbs last longer when they are filled with this gas

This is important for most living things

Transition metals are

Mendeleev arranged the elements by

Mendeleev found that the properties of known elements followed a pattern that repeated every

How do the physical & chemical properties of the elements change

This metal, part of the Boron Group, is used for aircrafts