2024 - Fall Final Exam Review IV

Front

What is the chemical formula for an ionic compound formed from magnesium (Mg) and chlorine (Cl)?

Back

MgCl₂

Front

What happens to cations in terms of electron loss or gain, and what is their charge after this process?

Back

Cations lose electrons, becoming positively charged.

Front

How many covalent bonds are present in a water molecule (H₂O)?

Back

2

Front

Which state of matter is represented by a diagram showing particles that are close together but can slide past one another?

Back

Liquid

Front

What type of bond is present in a nitrogen molecule (N₂)?

Back

Triple Bond

Front

Define an ionic bond.

Back

An ionic bond is a chemical bond formed between two ions with opposite charges.

Front

What is a covalent bond?

Back

A covalent bond is a chemical bond that involves the sharing of electron pairs between atoms.

Front

What is the difference between a cation and an anion?

Back

A cation is a positively charged ion, while an anion is a negatively charged ion.

Front

What is the octet rule in chemistry?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What is the significance of the subscript in a chemical formula?

Back

The subscript indicates the number of atoms of each element in a compound.