3/21/2013
- Matter is anything that has mass and takes up space.
- Matter is made up of molecules and atoms and particles.
- I cannot see every particle within matter.
3/22/2013
- 4 Atomic #
- 9 Atomic Mass
- Beryllium
- 4 protons
- 5 neutrons
- 4 electrons
3/25/2013
- Atomic #- 10
- Atomic Mass- 20 amu
- element- Neon
3/26/2013
Draw Argon
3/27/2013
2/28/2013
- The element is sodium.
- The element is not stable because the outside valence shell isn't full.
- It would be a positive 1 ion.
4/1/2013
4/4/2013
- 6 valence electrons
- Not stable. Negative ion.
- Lithium -SLI2
4/5/2013
- Magnesium
- Carbon has 4 valence electrons. It is not stable. It could bond with Silicon.
4/8/2013
- Nitrogen
- It is not stable- negative 3 charge
- Aluminum (anything in group 13)
4/9/2013
- Cobalt has 32 neutrons
- Cobalt has 27 protons
- Cobalt has 27 electrons
4/10/2013
- Elements=3; Atoms= 13
- Elements= 2; Atoms= 15
- Elements= 3; Atoms= 7
4/15/2013
C) The continuous motion of air and water distributes the sun's energy.
4/16/2013
- A) It has mass but no charge.
- 3 elements