Question | Answer |
Zinc | Zn |
Iodine | I |
Fluorine | F |
Iron | Fe |
Magnesium | Mg |
Chlorine | Cl |
Sodium | Na |
Sulfur | S |
Potassium | K |
Phosphorus | P |
Calcium | Ca |
Nitrogen | N |
Hydrogen | H |
Carbon | C |
Oxygen | O |
Copper | Cu |
What does the 'plus sign' stand for in a chemical equation? | And |
What does an arrow pointing to the right stand for in a chemical equation? | Yields or produces |
Items written on the right side of an equation mean what? | products or things that are produced |
Items written on the left side of an equation mean what? | Reactants - things we start with |
Two arrows on top of each other faceing different directions | Reveraible reaction |
Example of a reversible reaction is: | amino acids and proteins |
What can change color of dies and has a sour taste | Acid |
What reacts reacts with metal? | Acid |
What can nuteralize a base | Acid |
What releases hydrogen ions (H+) when disolved in water | Acid |
An example of a acid is | Hydrochloric acid = HCL - H+ + Cl in your stomach |
An example of a acid is | Sulfuric acid H2SO4 in your car batteries |
An example of a acid is | Acetic acid HC2H3O2 which is vinger |
What has a bitter taste and changes colors of dies | Base |
What has a slipery feeling and nuteralizes acid | Base |
What releases hyroxide ions (HO-) when released in water | Base |
An example of a base is | Sodium Hydroxide NaOH |
An example of a base is | Potassium hydroxide KOH (which eats skin) |
What do you get when you mix an acid with a base | Water and salt |
Discribe what kind of ion is salt releases for metal | Positive ion |
Discribe what kind of ion is salt releases for non metal | Negative ion |
Water water solution conducts elecrity due to the presence of ions | Salt and electrolytes |
An example of a electrolyte is | Saline |
What substance does not coduct electrity because of no ions | non-electrolyte |
An example of a nonelectrolyte is | glucose, alcohol, distilled water |
On the pH scale values less then 7 would be considered | Acidic |
On the pH scale values greater than 7 would be considered | basic |
What pH value is considered neutral | 7 |
What pH value has the strongest acid | 0 |
What pH value has the strongest base | 14 |
What is another word for basic | Alkaline |
What pH values are considered a strong acid | 0 - 1 |
What pH values are considered a moderate acid | 2 - 4 |
What pH values are considered a weak acid | 5 - 6 |
What pH values are considered a weak base | 8 - 9 |
What pH values are considered a moderate base | 10 - 12 |
What pH values are considered a strong base | 13 - 14 |