Show:
Basic Chemistry Principles
Chemical Formulas & Reactions
Periodic Table
Food Chemistry
Misc.
100
The charge of a proton is? Neutron? Electron?
What is positivie (+) Neutral (-) Negative (0)
100
What should you alway use when writing a chemical formula?
What is the charges
100
What are groups based on in the periodic table?
What is the elements share common properties, they have the same number of electrons in their outer orbital
100
What is a protein?
What is an organic compoun made of amino acids arranged in a linear chain and folded into a globular form
100
How can water be measured?
What is by obtaining a food's water activity
200
What are ions?
What is atoms where the electrons is not equal to the number of protons; are either positively or negatively charged; can be single or multiple atoms
200
What do catalysts do?
What is speed up chemical reactions; lower the amount of energy needed for reaction to occur; aid a reaction in reaching its activation energy
200
Which family is not very reactive, located in group 18, and are also known as inert gases?
What is Noble Gases
200
What is leavening?
What is gives breads, cakes, muffins, pancakes, and other foods the ability to rise and increase in volume
200
What are some different physical changes that can occur?
What is texture, shape, size, color, volume, mass, weight
300
What is the difference between a homogeneous mixture and a heterogeneous mixture?
What is homogeneous is the same throughout and heterogeneous is not
300
What are three different prefixes for elements?
What is mono, di, tri, tetra, penta, hexa, hepta, octa, nona, deca
300
In the periodic table what are rows called? Columns?
What is rows = periods Columns = groups
300
Food chemistry is based on what components (must list all 6)
What is water, carbohydrates, lipids, proteins, enzymes, and vitamins
300
What is equilibrium?
It occurs when two reactants combine to make a product and the products then break apart and turn back into the reactants.
400
What is a chemical reaction rate?
What is the speed at which the reaction occurs
400
The average mass of an element is measured in amu. True or false
What is true
400
What is a carbohydrate?
What is an organic compound which consist of carbon, hydrogen and oxygen
400
Atoms include what three things?
What is protons, neutrons, and electrons.
500
Chemcial elements cannot be broken down or changed into another substance. True or false
What is true
500
What are the three factors that affect reaction rates?
What is concentration, temperature, and pressure
500
The chemical symbol is used to represent elements in chemical formulas. True or false
What is true.
500
Fat does what for our food?
What is provides taste and texture.
500
What are vitamins essential for?
What is metabolic reactions in the body