Answer: unused waste from food processing
Explanation: have you takin the chemical reaction system unit test yet? It’s alternated
When looking down the groups the elements have an equal number of electrons in the outer shell. This means they react in a similar way making it easier for scientists to use.
PH Answer/definition - A value from 0 to 14 that is used to specify how acidic or basically a compound of when it is dissolved in water.
Ions Answer/definition - An atom or molecule that has a positive of negative charge.
Acid Answer/definition - A compound that increases the hydroxide ions (OH-) when it is dissolved in a solution. (Arrhenius Acid)
Base Answer/definition - A compound that increases hydrogen ions (H+) when it is dissolved in a solution.
Hope this helps you out :)))
Answer:
Don't post any question if isn't related to the topic or to your homework or assignment.
Explanation:
Some examples of physical changes are:
Breaking a glass
Chopping wood
Tearing paper
Mixing sand and water
Melting an ice cube
These all are physical changes because the composition of the matter does not change.
