Vocabulary
Molecules
Extended Structures
Image Examples
100
A single particle of an element
What is an atom?
100
(T/F) The model color for Oxygen is black.
False. Oxygen is red and Carbon is Black.
100
What makes an extended structure be "extended" or longer?
What is the repetition of a subunit?
100
What elements are seen in the model below? How many atoms of each?
What is carbon and hydrogen?
C=2
H=4
200
2 or more atoms held together by chemical bonds
What is a molecule?
200
(T/F) Atoms and Molecules are the same thing.
False. Atoms makeup molecules, however there should be more than 2 while being bonded.
200
An extended structure is
What is A structure that has a constant ratio and is repeating a subunit?
200
What elements are seen in the model below? How many atoms of each?
What is
6 carbon, 8 hydrogen, 6 oxygen
total: 20 atoms
300
A representation of an object that is really big or really small, making these objects easier to see.
What is a model?
300
(T/F) In 3-D models, atoms are represented by spheres and chemical bonds are represented by sticks.
True
300
An extended structure that can repeat atoms or molecules in a 3-D structure
What is a Crystal?
300
Isobutane and butane have the same atomic composition (C4H10), but are used for different things, meaning that they are different substances. What makes them different?
What is chemical structure?
butane has a chain like structure and isobutane has a tripod like structure.
400
The types of elements that makeup molecules and the specific ratio of atoms.
What is atomic composition?
400
What does the 4 tell us in C8H10O4 ?
There are 4 oxygen atoms in this molecule.
400
An extended structure that only repeats molecule in a chain-like structure.
What is a Polymer?
400
The following image is of 2 different substances, Water (H2O) and Hydrogen Peroxide (H2O2). What is different about them?
What is atomic composition?
500
The specific arrangement of atoms within a molecule
What is chemical structure?
500
How many of each atoms AND how many total atoms are in C8H10N4O2?
What is
8 carbons, 10 hydrogens, 4 nitrogens, 2 oxygens
Total of 26 atoms
500
crystal or polymer? explain.
What is a crystal?
1. 3-D Structure2. repeating one type of atom (Carbon)
500
Correctly label the following extended structures. Explain how you know.
Table salt:
Polyester:
What is...
table salt is a crystal because of it's 3-D, cube structure. Polyester is a polymer because of its chain like structure.