hello quizlet
Home
Subjects
Expert solutions
Log in
Sign up
Science
Chemistry
Biological Chemistry
Chapter 2: The Chemistry of Microbiology
Flashcards
Learn
Test
Match
Matter
Click the card to flip 👆
- all materials that occupy space and have mass.
Click the card to flip 👆
1 / 89
Flashcards
Learn
Test
Match
Created by
rwilks0001
Terms in this set (89)
Matter
- all materials that occupy space and have mass.
What is matter composed of?
-atoms
Atom
- simplest form of matter not divisible into simpler substances
Protons:
(+) subatomic particles
Neutrons:
neutral subatomic particles
Electrons:
(-) subatomic particles
Element
- pure substances with a characteristic number of protons, neutrons, and electrons and predictable chemical behaviors.
Atomic number
- number of protons.
Mass number
- number of protons and neutrons.
Isotopes
- variant forms of the same element that differ in the number of neutrons.