Atomic History and the Periodic Table

Who is credited with the Atomic Theory of Matter?

Beryllium has how many electrons? 

How many periods are there on the Periodic Table?

The most common isotope of Lithium is

Chlorine is a 

What is chlorine's atomic number?

When did J. J. Thomson discover the electron?

Silicon has how many electrons

An atom that has gained or lost electrons is called a/an

Potassium, element 19, has how many valence shells?

What part of an atom can never change?

Sodium's atomic symbol is

The term for an atom's outermost electron shell.

Aluminum has how many electron shells?

An atom that has lost electrons is called a/an

What scientist determined that electrons orbited the nucleus in increasing energy levels?

Who was the first scientist co come up with the term 'atom'

Who wrote the first text book on chemistry?

Boron forms an ion with what charge?

What scientist determined that atoms bonded in the outer, or valence electron shell?

An atomic model of Aluminum would have how many electron shells?

An elements group determines an atom's number of 

Who discovered the Neutron?

How many groups are there on the Periodic Table?

All the elements in group 17 form a/an

Who discovered the proton?

A Lewis diagram of Sulfur would have how many electrons?

The atomic mass of magnesium is

The Periodic Table is ordered by an atom's atomic number; which is the number of 

An elements period tells you the number of an atom's