Atomic Structures & the Periodic Table

Elements in Groups 3-12 are called ________.

The number of protons in an atom is called the ____________.

When atoms bond covalently the particles formed are ___________.

What is the name and formula of the compound that forms when Potassium and Sulfur combine?

Where can you find electrons in an atom?

What is the mass of a proton?

Horizontal rows of the periodic table are called _____________.

Which group has a full outer electron shell, therefore making it the most stable?

What is the maximum number of electrons in the second energy level of an atom?

What is the name of FeBr₃?

What type of bond is formed when atoms share electrons?

An element has 5 protons, 5 electrons, and 6 neutrons.  What is its mass number?

An element with 7 or 8 electrons in the outer energy level is a characteristic of __________.

When an atom gains or loses electrons, the charged particle is called a(n) _______.

Which of these terms means to attack another material?

Aluminum Hydroxide is made of ions Al³⁺ and OH^1-.  What is the formula?

The center of the atom is called ________.

The properties of a compound are _____ as the properties of the elements making up the compound

The atomic mass of atoms are not whole numbers because of these.

What is the oxidation number of Oxygen?

An element has 6 protons, 6 electrons, and 8 neutrons.  What is its atomic number?

Which of these terms means poisonous?

True or False: Nonmetals are poor conductors of heat and electricity. 

The weighted average of the mass numbers of all the isotopes of an element is called ________.

What is the correct chemical symbol for Chlorine?

Elements in group 18 are called ___________.

Which particles make up the nucleus of an atom?

The arrangement of elements according to repeated changes in properties is called ________.

An element has 2 isotopes, with masses of 15 and the other 19. What is its average atomic mass?

The mass number is the sum of which atoms?

The elements on the periodic table are arranged in order of ___________ atomic number.

Group 17 is called the __________.

An atom has 26 protons, 26 electrons, and 30 neutrons.  What is the mass number?

What is the mass of an electron?

The number of outer __________ determines the chemical properties of an element.

Which of these terms means to easy catch fire?

Isotopes differ from each other because of the number of __________.

What is the maximum number of electrons in the first energy level of an atom?

Elements next to the stair-step line are called ____________.

We can use a dot diagram to represent _____________.

Elements that are arranged in vertical columns in the periodic table are called ___________.

Chemical symbols represents the _________ of an element.

When moving from left to right across a row in the periodic table, metallic properties _______.

The identity of an element can be determined by the number of these atoms.

What is the name of the following compound: NaCl?

What is the mass of a neutron?

True or False: Noble gases are the most stable of all elements.