What are elements?

What are atoms?

How many types of atoms are there?

How many combinations can you make with different atoms?

What is used to look at atoms?

What does STM stand for?

What are elements made up of?

What are unique sets of characteristics referred to?

What are some properties of metallic elements?

What are some properties of non-metallic elements?

Is helium metallic or non-metallic?

Is chlorine metallic?

How many elements are there?

How many are naturally formed?

How many are man made?

What is the lightest element?

What is the heaviest element?

What is the periodic table?

What are single atoms called?

What are clusters of atoms called?

What are large grid like structures called?

How many monatomic elements are there?

What is carbon?

What is graphite?

What is diamond?