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;
15 Cards in this Set
- Front
- Back
|
Biochemisty
|
The study of chemistry in living organsisms
|
|
|
Matter
|
Anything that has weight and takes up space
|
|
|
Examples of Elements
|
Iron, copper, silver, gold, aluminum, carbon, hydrogen, and oxygen
|
|
|
Compounds
|
chemical combinations
|
|
|
Bulk Elements
|
Elements needed by the body in large amounts
Examples: carbon, hydrogen, oxygen, nitrogen, sulfer, and phosphorus |
|
|
Trace Elements
|
Elements needed by the body in small amounts
Used by the body for parts of enzymes |
|
|
Elements
|
Composed of particles called atoms
|
|
|
Electrons
|
Carry a negative charge
|
|
|
Protons
|
Carry a positive charge
|
|
|
Neutrons
|
Electrically neutral
|
|
|
Nucleus
|
Positively charged
|
|
|
A Complete Atom
|
Electrically neutral
|
|
|
Atomic Number
|
The number of protons in the atoms of a particular element
|
|
|
Atomic Weight
|
The number of protons plus the number of neutrons in each of an elements atoms
|
|
|
Isotopes
|
Atoms that have the same atomic numbers but different atomic weights
|
