.3 Chem Unit 5 Review

Front

How many valence electrons does Chlorine have?

Back

Chlorine has 7 valence electrons.

Front

What is the name of SiBr7?

Back

Silicon heptabromide.

Front

How many valence electrons does Iodine have?

Back

Iodine has 7 valence electrons.

Front

What is the name of SO3?

Back

Sulfur trioxide.

Front

How many valence electrons does Oxygen have?

Back

Oxygen has 6 valence electrons.

Front

What are valence electrons?

Back

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

Front

How do you determine if a molecule is polar or nonpolar?

Back

A molecule is polar if it has a net dipole moment due to the presence of polar bonds and an asymmetrical shape; otherwise, it is nonpolar.

Front

What is the significance of valence electrons in chemical bonding?

Back

Valence electrons determine how an atom can bond with other atoms, influencing the formation of molecules.

Front

What is the general rule for naming binary ionic compounds?

Back

The name of the cation (metal) is followed by the name of the anion (non-metal) with its ending changed to '-ide'.

Front

What is the formula for calculating the number of valence electrons in an element?

Back

The number of valence electrons corresponds to the group number of the element in the periodic table.