Chemistry Unit 2 Test Review

Front

What part of the atom does bonding involve?

Back

Valence electrons are the electrons involved in bonding.

Front

Elements in the same _________ have the same number of valence electrons.

Back

Group.

Front

Why do elements bond?

Back

Elements bond to become stable.

Front

What is the chemical formula for Dinitrogen trioxide?

Back

N₂O₃.

Front

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

Back

The correct Lewis dot structure for fluorine (F₂) is represented by option B.

Front

Define valence electrons.

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is an ionic bond?

Back

An ionic bond is a chemical bond formed through the transfer of one or more electrons from one atom to another, resulting in the formation of ions.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to bond in such a way that they have eight electrons in their valence shell, achieving a stable electron configuration.

Front

What is the significance of the periodic table in understanding chemical bonding?

Back

The periodic table organizes elements by their atomic number and groups elements with similar properties, including the number of valence electrons, which influences bonding behavior.