Atomic Structure & Periodic Table Mania

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

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

To become a negative ion, an atom must ____________.

To become a positive ion, an atom must ___________ .

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

Group 1 elements are also called ____________.

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

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

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

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

Halogens are found in what sub-shell or orbital block on the periodic table?

Valence electrons are located _________.

How many neutrons does Rb-85 contain?

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

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

Transition metals are located in which sub-shell or orbital block on the perioidic table?

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

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

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

Elements in group 17 are called ____________.

Who organized the first periodic table based the elements' atomic masses?

Which of the following is the correct electron configuration for Phosphorus?

Elements on the modern periodic table are arranged according to their _________.

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

What is the noble gas configuration for Potassium?

Elements in groups 3 - 12 are called ___________.

The modern periodic table, which is based on atomic number, was developed by ________.