Chem Final

β (Beta particle)
- Medium Penetration
- Mass: 1/2000 amu
- Charge:-1
- 0/-1e
Looks like unfinished infinity sign
Alpha Particle
- Charge: +2
- Mass:4 amu
- Least penetration
- 4/2He
flipped λ
gamma rays
- Charge:0
- Mass:0
- Deepest penetration0/0λ
atomic number (z)
- number of protons. This identifies an element.
- same as number of electrons.
If you know the number of electrons then you also know..

the number of protons
Atomic mass number

number at the bottom.. is the number of protons and neutrons added together.
isotopes

Atoms with identical atomic numbers but different mass numbers
Atomic weight

average mass of atoms in sample
positron

0/1e
electron capture
- on left side of equation.
- 0/-1e

Author

yourmomhaslice

216355

Card Set

Chem Final

Description

chemmmmmm finallll

Updated

2013-04-29T09:29:19Z

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