CP Chem Exam Review Part 4

Front

What is the electron configuration of an element with atomic number 12?

Back

1s² 2s² 2p⁶ 3s²

Front

What are the majority of elements on the periodic table?

Back

Metals.

Front

Molecular compounds are made from which types of elements?

Back

Nonmetals only.

Front

What are the vertical columns in the Periodic Table called?

Back

Groups.

Front

What do we call all the elements that are yellow and to the right of the staircase on the periodic table?

Back

Nonmetals.

Front

What is the definition of a metal?

Back

Elements that are typically shiny, good conductors of heat and electricity, and malleable.

Front

What is the definition of a nonmetal?

Back

Elements that are generally poor conductors of heat and electricity and can be gases or brittle solids.

Front

What is the definition of a metalloid?

Back

Elements that have properties of both metals and nonmetals.

Front

What is the significance of the atomic number?

Back

It represents the number of protons in an atom's nucleus and determines the element's identity.

Front

What is the periodic law?

Back

The properties of elements are a periodic function of their atomic numbers.