Atomic Structure & Periodic Table

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

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

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

Elements in groups 3 - 12 are called ___________.

To become a negative ion, an atom must ____________.

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

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

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

To become a positive ion, an atom must ___________ .

Elements in group 17 are called ____________.

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

Which of the following is an example of a homogeneous mixture?

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

Group 1 elements are also called ____________.

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

How many neutrons does Rb-85 contain?

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

Valence electrons are located _________.

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

Which of the following is an example of a heterogeneous mixture?

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

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

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