Subatomic Particles
Define the following subatomic particles
Protons
Neutrons
Electrons
Protons- atomic number, negative charge
Neutrons- included in the atomic mass, neutral charge
Electrons- orbit around the nucleus, negative charge
Define element vs compound
element- singular and pure
compound- multiple things
Define pH?
discussing the concentration of H+ in an aqueous solution
What is the definition of carbohydrates?
carbon + water
What is the definition of ATP? What is the function?
Adenosine Triphosphate yields energy for things such as muscle contraction or krebs cycle
Why do Protons and Electrons have the same charge?
To balance each other out
Are all compounds molecules? True or False
True
Out of the following fruits which is the most acidic?
Lime 2.5pH, Tomato 4.4pH, Banana 4.5pH, and grapefruit 3.5pH
Lime is the most acidic
High levels of _____ in the blood make the blood more acidic
CO2
What is something that dissolves solutes?
Solvents
An element has 34 protons how many neutrons will it have with an atomic mass of 79?
It will have 45 neutrons
Give an example of a compound
Answers may vary (H2O, CO2)
Having a high concentration of OH- means what?
The solution is more basic
Chemist often use ______ to represent chemical reactions
chemical equations
An alkaline compound is also known as
a base
If there are 125 neutrons and 80 electrons, how many protons will there be?
80 protons
Is alcohol CH3OH a compound or a molecule?
Compound
When acids and bases mix to create salts
Whats another word for lipid?
Fat
What is the most abundant body chemical that is essential to all life
water
Atomic number 20 will have how many protons, neutrons, and electrons? What element is this?
Element Calcium will have P20, N20, E20
Is Iron a element, compound, or molecule? What about Dry Ice?
Iron Fe is a element, while Dry Ice CO2 is a compound
Define Acids/ Bases
Acid- shifts balance in favor of H+
Bases- shifts balance against H+
Reverse of a dehydration synthesis equation?
Hydrolysis- we are breaking down water
What is the general name for compounds that combine to form a larger chemical product?
Reactants