P.S. Exam review ch5-6

Front

What family is copper in?

Back

Transition metals are a group of metals that have similar properties, including the ability to conduct electricity and heat.

Front

______ molecules are found in nature as pairs of two atoms of the same type covalently bonded together.

Back

Diatomic molecules consist of two atoms of the same element, such as O2 (oxygen) and N2 (nitrogen).

Front

What is group 18 called?

Back

Noble gases are a group of elements that are colorless, odorless, and inert, including helium, neon, and argon.

Front

According to the Octet Rule, atoms of elements react with each other in order to attain ____ electrons in their outermost energy level or shell.

Back

8 electrons in the outermost shell provide stability to atoms, leading to chemical bonding.

Front

What changes in an ion?

Back

The number of electrons changes in an ion, resulting in a positive or negative charge.

Front

What are alkali metals?

Back

Alkali metals are highly reactive elements found in group 1 of the periodic table, including lithium, sodium, and potassium.

Front

What are alkaline earth metals?

Back

Alkaline earth metals are elements in group 2 of the periodic table, known for being reactive and including magnesium and calcium.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond formed when two atoms share one or more pairs of electrons.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve sharing electrons.

Front

What is a polyatomic ion?

Back

A polyatomic ion is a charged entity composed of two or more atoms bonded together, such as sulfate (SO4^2-).