Midterm Review Chemistry

Front

What is the Octet Rule?

Back

The desire for an element to have 8 electrons around it, which is a key principle in understanding chemical bonding.

Front

What type of bond is likely formed between Tungsten and Chlorine?

Back

An Ionic Bond, which occurs when one atom transfers electrons to another.

Front

What is an Independent Variable?

Back

The variable you are testing or changing in an experiment.

Front

Which branch of chemistry studies substances that do not contain carbon?

Back

Inorganic Chemistry.

Front

What is a physical property?

Back

A characteristic of a substance that can be observed without changing its chemical composition, such as color.

Front

What is the definition of Ionization Energy?

Back

The energy required to remove an electron from an atom or ion.

Front

What is Electronegativity?

Back

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

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance but not its chemical composition, while a chemical change results in the formation of new substances.

Front

What is a covalent bond?

Back

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

Front

What is the definition of a dependent variable?

Back

The variable that is measured or observed in an experiment, which changes in response to the independent variable.