Nuclear reactions |
(Nuclear Reactions)
There are 2 kinds of nuclear reactions: fusion and fission. Fusion is when you combine the nuclei of different atoms to create a new atom. Fission is where you break the nuclei of ...
Posted by on Mon, 07 May 2007 17:17:00 GMT |
Half-life |
(HALF-LIFE)
Half-life is a primary term used in the discussion of radioactive waste. The "half-life" of an atom is the certain amount of time it takes for that atom to decay to half of the orig...
Posted by on Mon, 07 May 2007 17:14:00 GMT |
How to Determine Atomic Mass and the Number of Neutrons in an atom |
Atomic Mass is the average mass of all the known isotopes of an element.
For example, the atomic mass of Nitrogen is 14.01
Atomic Mass is found by using the periodic table. The Atomic Mass is t...
Posted by on Mon, 07 May 2007 16:58:00 GMT |
Worksheet |
Atomic Structure
1. What are the 3 subatomic particles?
2. ___________ and ___________ make up the nucleus.
3. The atomic number ...
Posted by on Mon, 07 May 2007 16:53:00 GMT |
Ion vs atom |
Ions vs. atoms
hIon- An atom with an electrical charge
h Atom- The smallest particle of an element that can exist alone or can combine with other atoms. (cal...
Posted by on Mon, 07 May 2007 16:36:00 GMT |
Definitions |
Radio-activity=
alpha particle-
a positively charged particle consisting of two protons and two neutrons, emitted in radioactive decay or nuclear fission; the nucleus of a helium atom.
beta partic...
Posted by on Mon, 07 May 2007 16:33:00 GMT |
