WorksheetsEsthetic chemistry of matter 7.1
Total questions: 25
Worksheet time: 17mins
The scientific study of matter, the physical and chemical changes affecting matter and the energy changes that accompany those processes
(a)
The study of chemical reactions, such as growth, reproduction and respiration, that occur within a living organism
(a)
Deals with all matter that is now living or was alive at one time
Organic chemistry
Inorganic
In organic deals with matter that was never living and does not contain
Carbon
Hydrogen
Gases
Energy
Matter is anything that occupies space. Can be identified by its physical properties and exists distinct forms
Solids
Liquids
Gases
Is a change in a substance that creates a new substance with different material characteristics from those of the original substance
Physical change
Chemical change
Is the process of a solid or gas changing states without becoming a liquid
Sublimation
Metamorphosis
post liquidation
Evolution
Is the ability to do work to accomplish some change
Energy
Motivation
Drive
Motion
Are basic units of matter that cannot be broken down into simpler substances by any chemical reaction
(a)
The unifying concept used to organize elements and their similarities is called
Periodic table
Periodic law
Periodic substance
Periodic classification
Indicates how many protons are in a single atom of the element
(a)
What is the most abundant element in earths crust and second most abundant in the atmosphere
(a)
Atoms are made up three particles
Protons
Neutrons
Electrons
Carbon
Protons have a _ charge and identify the atom
- negative
+ positive
Is the smallest particle of a compound that has all the chemical properties of that compound
Molecule
Atom
Compound
Enzyme
Scientists have identified more that ____________^^^ chemical compounds
4 million
400 thousand
4 trillion
6564. Million
This takes place anytime a chemical reaction occurs
(a)
The branch of science that deals with the chemicals related to life processes and their reactions within the body is called...
Biochemistry
Chemistry
Biology
There are three major biochemical compound groups of the body
Proteins
Carbohydrates
Lipids
Enzymes
Amino acids
Are materials that dissolve and break down large molecules into smaller ones
Enzymes
Amino acids
Monomer
Polymers
Are compounds consisting of carbon, oxygen,hydrogen, and nitrogen that join together in chains to form proteins
(a)
a bond uniting two amino acid groups
Peptide chain
Polypeptide chain
Groups of monomers that bond together are called
(a)
A simple unit of a carbohydrate is called....
Saccharide
Disaccharide
Polysccharides
Triglycerides, fats and steroids are all examples of...
Lipids
Carbohydrates
Proteins
