Periodic Table/Elements/Compound Review

Front

The Modern Periodic Table of Elements is arranged by

Back

atomic number

Front

How many atoms of carbon are in C₆H₈O₆?

Back

6

Front

A column on the periodic table is called a ___________

Back

Group

Front

What do the vertical columns on the periodic table tell us?

Back

The number of valence electrons (electrons on the outer most shell)

Front

Beryllium is in group number______

Back

Group 2

Front

What is the definition of an element?

Back

A pure substance that cannot be broken down into simpler substances by chemical means.

Front

What is a compound?

Back

A substance formed when two or more elements are chemically bonded together.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in the nucleus of an atom and determines the element's identity.

Front

What are valence electrons?

Back

Electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is a period in the periodic table?

Back

A horizontal row of elements in the periodic table.