Shell Shifts Prelab Vocab

Solution

• a mixture of water and at least one dissolved substance.

• to break apart, usually into ions, when dissolved in water.

• the substance(s) you end up with at the end of a chemical reaction.

• a solid formed as a result of a chemical reaction where two solutions were mixed.

NaHCO₃

• 1. Sodium bicarbonate, commonly known as baking soda.

• Calcium chloride.

• Carbonic Acid

• Sodium chloride, commonly known as table salt.

CaCl₂

• 1. Sodium bicarbonate, commonly known as baking soda.

• Calcium chloride.

• Carbonic Acid

• Sodium chloride, commonly known as table salt.

Ion

• a particle that has lost or gained one or more electrons, resulting in a positive or negative charge.

• the combination of two or more substances.

• the term used to describe the results of a chemical reaction, represented by the arrow.

• a small number formatted just below and to the right of a chemical symbol identifying how many atoms of that element are present in the molecule.

Dissociate

• to break apart, usually into ions, when dissolved in water.

• a mixture of water and at least one dissolved substance.

• the substance(s) you start with at the beginning of a chemical reaction.

• occurs when atoms and bonds are rearranged to form one or more new substances.

Charge

• a positive or negative electrostatic force obtained by a particle, most commonly an ion.

• full-size numbers written in front of the substances in a chemical equation representing how many molecules or units of each react with each other.

• a measure of how acidic a substance is, usually measured with pH.

• the combination of two or more substances.

pH Strip

• paper used to measure the pH of a solution by matching to a color chart.

• a measure of how acidic a substance is, usually measured with pH.

•  a shorthand representation of a chemical substance using letters and subscripts.

• the combination of two or more substances.

Mixture

• the combination of two or more substances.

•  the substance(s) you start with at the beginning of a chemical reaction.

• color change, formation of a precipitate, formation of a gas, odor change, and/or temperature change.

• the term used to describe the results of a chemical reaction, represented by the arrow.

pH

• the measure of the concentration of H+ ions in a solution.

• a small number formatted just below and to the right of a chemical symbol identifying how many atoms of that element are present in the molecule.

• occurs when atoms and bonds are rearranged to form one or more new substances.

• a particle that has lost or gained one or more electrons, resulting in a positive or negative charge.

Chemical Reaction

• occurs when atoms and bonds are rearranged to form one or more new substances.

• a mixture of water and at least one dissolved substance.

• a solid formed as a result of a chemical reaction where two solutions were mixed.

• the combination of two or more substances.