Easy
How are compounds and mixtures different?
Compounds have chemical bonds
What are bond angles?
◦Tell how these atoms are oriented in space
What is a chemical bond?
◦The attractive force that holds atoms or ions together
What is a hydrocarbon?
Compound made of only carbon and hydrogen
What are bond lengths?
◦Gives the distance between the nuclei of two bonded atoms
Name the three models that can be used to look at different compounds
Ball - and - stick
Structural formula
Space filling model
Do compounds that are made of molecules have stronger bonds than atoms bonded together?
no
Water molecules have special bonds called what?
Hydrogen Bonds
What is glucose?
◦Provides energy to living things
Can compounds be in different arrangements
YES
Metallic bonds are in which family of elements?
Metals
What is an organic compound?
– a covalently bonded compound made of molecules
Ionic bonds are formed between what?
Oppositely charged ions
? Name the three organic compounds that are important for life?
◦Carbohydrates
◦Proteins
◦DNA
What does organic mean
Comes from living organisms
Covalent bonds are in which family of elements?
Nonmetals
Are bonds flexible or rigid?
flexible
What are polyatomic ions?
◦Some compounds have both ionic and covalent bonds
What are polymers?
Some small organic molecules form long chains called polymers
DNA is a ladder form. What does this ladder look like?
Double helix
What does DNA stand for?
Deoxyribose nucleic acid
What are carbohydrates
◦Any organic compound that is made of carbon, hydrogen, and oxygen and that provides nutrients to the cells of living things.
Amino acids can be combined to make how many different proteins?
Millions
Which carbon compound has a hydroxyl (OH-) group in it?
Alcohols
How many different amino acids are there
20