The Atom
What are the Protons, Neutrons, and Electrons
Describe a Compound
What is a substance in which two or more elements have chemically combined?
Please describe a mixture.
What is something that contains two or more substances that are physically combined but not chemically combined.
These changes involve changing shape, state of matter, size, or temperature
What is a physical change?
The elements of a chemical equation.
What are reactants on the left, and products on the right?
The charge that protons, neutrons, and electrons have these respective electrical charges
What are Positive, Neutral or no charge, and negative.
To have a compound, you must have multiple _____, or the basic unit of any compound
What is a molecule?
What do you have if you have a homogeneous mixture. Provide an example
What is a mixture that has uniform distribution of particles all the way throughout the sample. Ex. Tea
This physical change represents a change in the visible structure of matter without changing the molecular or unit structure
What is a Phase Change?
This states that matter can never be created or destroyed, only altered.
What is the Law of Conservation of Matter
A substance that only contains one kind of atom is called an
What is an element?
What is a chemical formula?
Compounds that contain chains or rings of carbon are called what. Where can you see them in food science?
What are Organic Compounds, Carbohydrates, fats, and proteins
This change occurs whenever new substances with different chemical and physical properties are formed
What is a Chemical Change?
Most homogeneous mixtures are solutions. What is a solution and what are the components?
What is a homogeneous mixture where one material(solute) is dissolved into another(solvent)
Electrons are more stable when they are in pairs, and the space that these pairs occupy is known as
What is an Orbital?
Describe an Ionic Bond
What is bond where electrons are transfered from one atom to another?
What is a mixture that has a non-uniform distribution of particles. Ex. Vegetable soup
The physical means of breaking food into smaller pieces, such as during chewing and swallowing.
What is mechanical digestion?
A non-newtonian Fluid Ex. Cornstarch
The mass of a proton or neutron is defined as being equal to one what?
What is an Atomic Mass Unit?
Describe a Covalent bond.
What is a bond that is formed when atoms share one or more pairs of electrons?
A compound that contains no carbon or only has a single carbon atoms is known as what?
Provide an example of this. (One is very common)
What is an inorganic compound. Ex (Table Salt or NaCl)
This process uses enzymes, acids, and other liquid substances to separate food into smaller nutrient components.
What is chemical digestion?