Covalent Bonding Review (Regular)

Front

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

Back

8

Front

Which element will always go in the 'center' of a Lewis structure/molecule?

Back

Carbon

Front

A covalent bond is where the electrons are ____________. An ionic bond is where the electrons are _____________.

Back

shared; transferred

Front

How many valence electrons does Bromine (Br) have?

Back

7

Front

How many pairs of electrons are in the water molecule, H2O?

Back

4

Front

What is a covalent bond?

Back

A chemical bond formed by the sharing of electron pairs between atoms.

Front

What is the octet rule?

Back

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

Front

What is a Lewis structure?

Back

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

Front

What is the difference between a single bond and a double bond?

Back

A single bond involves one pair of shared electrons, while a double bond involves two pairs of shared electrons.

Front

What is the molecular geometry of water (H2O)?

Back

Bent or V-shaped due to the two lone pairs on the oxygen atom.