Chemistry First Semester Review

Front

What is a substance produced in a chemical reaction?

Back

Product

Front

What are the electrons in the highest occupied energy level of an element’s atoms called?

Back

Valence Electrons

Front

What is a quality or condition of a substance that can be observed or measured without changing its composition?

Back

Physical Property

Front

What principle states that atoms tend to react to acquire the stable electron configuration of a noble gas?

Back

Octet Rule

Front

What are positively charged ions called?

Back

Cations

Front

What is the term for a substance that cannot be broken down into simpler substances by chemical means?

Back

Element

Front

What is the term for a combination of two or more substances that retain their individual properties?

Back

Mixture

Front

What is the term for a chemical bond formed by the sharing of electrons?

Back

Covalent Bond

Front

What is the law that states mass is neither created nor destroyed in a chemical reaction?

Back

Law of Conservation of Mass

Front

What is the term for negatively charged ions?

Back

Anions