Covalent bonding: MUB #2 Study guide (lewis structures)

Front

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

Back

2

Front

How many valence electrons are in Phosphorus?

Back

5

Front

Where on the Periodic Table are the elements with the highest electronegativity located (excluding Noble gases)?

Back

upper right

Front

What is the correct formula for Silicon Tetrafluoride?

Back

SiF₄

Front

Classify the following molecule: H₂O.

Back

polar

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

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

Front

What is electronegativity?

Back

A measure of the tendency of an atom to attract a bonding pair of electrons.

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 polar and nonpolar molecules?

Back

Polar molecules have a net dipole moment due to the presence of polar bonds, while nonpolar molecules do not.