Atomic Structure & Periodic Table Mania

Elements in a group or column have similar

How many total electrons does an oxygen ion (O^-2) contain?

Carbon-13 and Carbon-14 are examples of _______________ for the carbon element.

The average mass of all the isotopes for a given atom is called ___________.

Elements that have chemical and physical properities of both metals and nonmetals are _____.

How many neutrons does Rb-85 contain?

Which listing below shows the proper charges of the subatomic particles?

What group of elements on the periodic table have low melting points and are nonreactive with water?

Which group on the periodic table is considered the most reactive?

Which subatomic particles are located inside the nucelus of an atom?

An atom, as shown on the periodic table, is neutral because it contains equal numbers of

What is the bottom group of elements on the periodic table called?

Group 1 elements are also called ____________.

Who organized the first periodic table?

How many total electrons would an ion of magnesium (Mg⁺²) contain? 

To become a positive ion, an atom must ___________ .

To become a negative ion, an atom must ____________.

Atoms of the same element that have a different number of neutrons are called ____________.

Elements in group 17 are called ____________.

A row on the periodic table is also called a ________.

A column on the periodic table can also be called a ________ or a ___________.

The sum of the number of protons and neutrons inside the nucleus is called the __________.

Elements in groups 3 - 12 are called ___________.

The number of protons an atom contains is identified by the ____ ____ on the periodic table.