CPC Unit 4 Vocabulary

What does "periodic law" state?

• Elements are arranged by increasing atomic mass.

• The properties of elements repeat at regular intervals when arranged by atomic number.

• Each vertical column on the periodic table repeats the characteristics of the previous column

• Nonmetals do not follow any specific arrangement.

Tags

NGSS.HS-PS1-1

Which of the following best describes a "transition metal"?

• Metals that are highly reactive and found in the f-block and found at the bottom of the periodic table.

• Elements in groups 3 to 12 known for their ability to form multiple ions.

• Nonmetals that are gases at room temperature.

• Elements that are only found in the s-block of the periodic table.

What is a "group" in the periodic table?

• A horizontal row of elements that share similar properties.

• A vertical column of elements that share similar properties.

• A set of isotopes.

• A collection of transition metals that share similar properties.

What are "inner transition metals"?

• Elements found in the f-block.

• Metals located in group 1 and 2.

• Nonmetals located in group 16.

• Transition elements located in the d-block.

Tags

NGSS.HS-PS1-1

Which term describes a "period"?

• A group of elements that react similarly.

• A horizontal row in the periodic table.

• A measure of atomic mass.

• An energy level of electrons.

What is the "lanthanide series"?

• A group of 14 elements (top half of the f-block)

• Elements found in group 17.

• All the elements in the p-block.

• Transition metals located in bottom half of the d-block.

Which two are true of the following are "representative elements"?

(Choose 2)

• Elements in groups 1, 2, and 13 to 18.

• Elements in groups 3-12.

• Elements that do not form compounds.

• Elements found in the f-block.

• They have predictable properties.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the "actinide series"?

• Half of the f-block, known for their radioactivity.

• Elements primarily found in group 18.

• Half of the d-block, known for their conductivity.

• Elements that conduct electricity poorly.

Tags

NGSS.HS-PS1-8

Which statement best describes "transition elements"?

• Elements that are all gases at room temperature.

• Metals found in groups 3 to 12.

• Nonmetals located in group 15.

• Elements that only exist in solid form.

What are "nonmetals"?

• Elements that are good conductors of heat and electricity.

• Dull, brittle elements with higher electronegativity.

• Only solid elements found in the periodic table.

• Elements that form positive ions.