PS.Chem3

Front

What is the Lewis structure for HCl?

Back

The correct Lewis structure for HCl shows a single bond between hydrogen (H) and chlorine (Cl), with chlorine having three lone pairs of electrons.

Front

What is the prefix for the number 7 in chemical nomenclature?

Back

The prefix for 7 is 'hepta'.

Front

What is the chemical name for P2O5?

Back

The chemical name for P2O5 is Diphosphorous pentoxide.

Front

What is the prefix for the number 6 in chemical nomenclature?

Back

The prefix for 6 is 'hexa'.

Front

What type of bond is formed between hydrogen and fluorine in HF?

Back

The bond formed between hydrogen and fluorine in HF is a covalent bond.

Front

Define a covalent bond.

Back

A covalent bond is a type of chemical bond where two atoms share one or more pairs of electrons.

Front

What is the significance of prefixes in chemical nomenclature?

Back

Prefixes indicate the number of atoms of each element in a compound, helping to distinguish between different molecular formulas.

Front

What is the Lewis structure?

Back

The Lewis structure is a diagram that shows the bonding between atoms of a molecule and the lone pairs of electrons that may exist.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons.

Front

What is the chemical formula for water?

Back

The chemical formula for water is H2O, indicating two hydrogen atoms and one oxygen atom.