Anything that occupies space
What is matter?
Deals with all matter that is now living or was alive at one time
What is organic chemistry?
Smallest complete unit of an element
What’s an atom?
When unstable atoms combine chemically by sharing electrons
What is a molecule?
The study or chemical reactions, such as growth, reproduction, and respiration
What is biochemistry
The 3 physical properties of matter
What is Solids, liquids, and gasses
Matter with definite weight but indefinite volume and shape
Have a positive elements and identify the atom
What is a Protons
What is a compound?
Biochemistry compounds used by the body to store energy and which play a key role in metabolism
What is carbohydrates
A change in physical form WITHOUT creating a new substance possessing a distinct material composition
What is physical change?
The ability to do work to accomplish some change
What is energy?
Have no electrical charge
What are neutrons?
Occurs when 2 or more chemicals are mixed together
What is a chemical reaction
Biochemistry compound consisting of carbons, oxygen, hydrogen and nitrogen that join together in chains to form a proteins
What are amino acids?
Basic units of matter that cannot be broken down into simpler substances by any matter
What are elements?
The chart or map they created is still used to display groups of related elements
What is the periodic table?
Protons and neutrons are packed together tightly to form a dense core
What is the nucleus
When positive and negative ions join that are held together by
What is an ionic bond?
Groups of monomers that bond together to create larger, more complex compounds
What is polymers
The process of a solid or gas changing states without becoming a liquid
What is sublimation
What is the smallest particle of a compound that contains all of the chemical properties of that compound?
A name given to an electron in the outermost orbit that is easily moved from its orbit
What is a free electron
What element is found in soft drinks such as soda?
2 saccharides linked together such as sucrose
What is disaccharide?