Nature of Matter
What is the basic unit of matter
An atom
What is a Ph scale? What is its range?
Measurement system to determine whether a solution is an acid or base. (0-14)
What is biology?
Study of life
How many carbon compounds are there?
4 : Lipids, Proteins, Carbohydrates, Nucleic Acids
What are the products and reactants?
CO2 + H2O ---> H2CO3
Products: CO2 & H2O
Reactants: H2CO3
What makes up an atom?
protons, electrons, and neutrons
What's a buffer?
low acid or low base
What is the smallest unit of life?
A cell
Polysaccharides are made up of?
Monosaccharides
What do enzymes do?
Speed up the reaction
Give an example of a noble gas
He, Ne, Ar, Kr, Xe, Rn, Og
Give an example of an acid and base?
Acid- HCl, lemon juice, vinegar, coffee, wine, stomach acid
Base- drain cleaner, bleach, soap, blood, baking soda, ammonia
How many characteristics of life are there? Give an example as well.
8
Cells, reproduce, Universal genetic code, grow and develop, energy, respond to environment, homeostasis, or evolution
Carbohydrates produce what?
Energy
What and where do substrates bind to?
enzymes and the active site
Give the Lewis dot structure
Ba2Ge
Ba=Ge=Ba
Give an example of suspension?
oil and water
What are the two types of reproduction. What are they?
Asexual and sexual
What type of carbon compound are fats and oils?
Lipids
What is required in order for the chemical reaction to react?
Activation energy
How many electrons, protons, and neutrons are in Zn?
P- 30
E- 30
N- 35
What is the solvent, solute, and solution?
Solvent is the liquid
Solute is the dis-solvable compound
Solution is the mixture of the solvent and solute
What are the levels of organization?
Biosphere, ecosystem, community, population, organism, group of cells, cells, and molecules
Amino Acids belong to what carbon group?
protein
What types of energy does the human body use?