Mid-term Study Aid

Front

What is the most abundant transition metal in Earth's crust?

Back

Iron is the most abundant transition metal in Earth's crust.

Front

What is a characteristic property?

Back

A characteristic property is a property that helps to identify a substance, such as boiling point.

Front

What is a covalent bond?

Back

A covalent bond is the type of bond in which valence electrons are shared between atoms.

Front

What happens to a substance when it freezes?

Back

When a substance freezes, its molecules lose energy and can only vibrate, becoming subject to cohesion.

Front

What does the nucleus of an atom contain?

Back

The nucleus of an atom contains protons and neutrons.

Front

What is the definition of boiling point?

Back

The boiling point is the temperature at which a liquid turns into a gas.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

What is an ion?

Back

An ion is an atom or molecule that has a net electrical charge due to the loss or gain of one or more electrons.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

Front

What is an element?

Back

An element is a pure substance that cannot be broken down into simpler substances by chemical means.