Hon_Flashcard 12_Lewis Structures

Front

Hydrogen needs _____ electrons in its valence shell to be stable.

Back

2

Front

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

Back

B

Front

According to the octet rule, most elements need _______ valence electrons.

Back

8

Front

What is the correct structure for BF₃?

Back

Option A.

Front

Three pairs of electrons are shared in a __________.

Back

Triple bond

Front

What is a Lewis dot structure?

Back

A diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist in the molecule.

Front

What does the octet rule state?

Back

Atoms tend to bond in such a way that they have eight electrons in their valence shell.

Front

What is a single bond?

Back

A chemical bond that involves the sharing of one pair of electrons between two atoms.

Front

What is a double bond?

Back

A chemical bond that involves the sharing of two pairs of electrons between two atoms.

Front

What is the significance of valence electrons?

Back

Valence electrons determine how an atom can bond with other atoms.