Description

Acids that ionize completely in solution.
Acids that only ionize partially in solution.
Bases that dissociate entirely into metal ions and hydroxide (OH-) ions in aqueous solution (Arrhenius base).
Bases that ionize only partially in dilute aqueous solution to form the conjugate acid and hydroxide ions.
A measure of the strength of an acid or base solution which is based on the amount of H+ ion.
A measure of the strength of an acid or base solution which is based on the amount of OH- ion.
Have pH < 7
Have pH = 7
Have pH > 7
pH = -log[H+]
pOH = -log[OH-]
Low pH and high pOH
Low pOH and high pH
H+
H3O+ (can be used interchangeably with H+)
When acids and bases ionize - fall apart - in solution to form electrolyte solutions.
Chemicals that change color in the presence of acids or bases.
An indicator that is used to determine if a solution is acidic or basic. Red litmus turns blue for bases, while blue litmus turns red for acids.
Acid contains H and dissociates to produce H+ ions in aqueous solution, while a base contains OH and dissociates to produce OH- ions in aqueous solution.
An acid is defined as a hydrogen-ion donor and a base is a hydrogen-ion acceptor.
The species produced when a base accepts a hydrogen ion to form an acid.
The species produced when an acid donates a hydrogen ion to form a base.
A substance which can behave as either a B/L acid or a B/L base, depending on the circumstances.
An acid that has only one acidic H+ ion.
An acid that has two or more acidic H+ ions.
A polyprotic acid that has two acidic H+ ions. An example is H2SO4.
A polyprotic acid that has three acidic H+ ions. An example is H3PO4.
A reaction in which an acid and a base in an aqueous solution react to produce a salt and water.
An ionic compound made from the cation from a base, and an anion from an acid.
A reaction when salt completely dissociates in water, and it's anion or cation react with the water to produce hydroxide ions or hydronium ions that affect the pH of the solution.
An acid which contains hydrogen and one other element. Does not contain oxygen.
Any acid that contains hydrogen and an oxyanion.

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Acids and Bases

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Frequently Asked Questions

What is a crossword?

Crossword puzzles have been published in newspapers and other publications since 1873. They consist of a grid of squares where the player aims to write words both horizontally and vertically.

Next to the crossword will be a series of questions or clues, which relate to the various rows or lines of boxes in the crossword. The player reads the question or clue, and tries to find a word that answers the question in the same amount of letters as there are boxes in the related crossword row or line.

Some of the words will share letters, so will need to match up with each other. The words can vary in length and complexity, as can the clues.

Who is a crossword suitable for?

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How do I choose the clues for my crossword?

Once you’ve picked a theme, choose clues that match your students current difficulty level. For younger children, this may be as simple as a question of “What color is the sky?” with an answer of “blue”.

Are crosswords good for students?

Crosswords are a great exercise for students' problem solving and cognitive abilities. Not only do they need to solve a clue and think of the correct answer, but they also have to consider all of the other words in the crossword to make sure the words fit together.

Crosswords are great for building and using vocabulary.

If this is your first time using a crossword with your students, you could create a crossword FAQ template for them to give them the basic instructions.

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