Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
5 Cards in this Set
- Front
- Back
|
What are elements?
|
100+ substances that make up almost all matter. All the atoms in an element are exactly the same. Elements cannot be broken down into something different. They are what they are.
|
|
|
What is an atom?
|
An atom is the smallest unit of an element or molecule.
|
|
|
What is a molecule?
|
2 or more joined atoms
|
|
|
What is a compound?
|
A molecule that contains more 2 or more elements. All compounds are molecules, but not all molecules are compounds.
|
|
|
Organic molecules contain what elements?
|
Carbon AND Hydrogen. (C and H)
|
