Honors Bio CHapter 2 Vocab

Chapter 2 vocab

44 cards   |   Total Attempts: 182
  

Cards In This Set

Front Back
Anything that occupies space and has mass
Matter
The quantity of matter an object has
Mass
Are pure substances that cannot be broken down chemically into smaller forms of matter
Elements
The simplest particle of an element that retains all of the properties of an element
Atom
The central core of an atom that consists of 2 kinds of particles
Nucleus
A positive electrical charge
Proton
No electrical charge
Neutron
The number of protons in an atom
Atomic number
The # of + charged protons balanced by an equal # of small, negatively charged particles
Electron
When electrons move fast around the nucleus
Energy level
A pure substance that is made up of atoms of 2 or more elements
Compounds
The process of breaking chemical bonds, forming new bonds, or both
Chemical reaction
When chemicals get attached to other chemicals; attachment
Bonds
Forms when 2 atoms share 1 or more pairs of atoms
Covalent bonds
Is the simplest part of substance that retains all of the properties of the substance ans that can exist in a free style
Molecules