Atomic Structure
The two particles found in the nucleus
Protons and Neutrons
Isotopes of the same number have different number of ____________.
neutrons
a particle that has a mass of 1 and a neutral charge
Neutron 11N
The missing isotope the the following equation:
23592U → ______ + 9236Kr
What is 14356Ba
What does the 238 represent in plutonium-238?
the mass number
The particle that orbits the nucleus
What is the electrons
What particle does argon-39 emit when it decays to potassium-39?
beta particle 0-1e
*Steal this many points from another team*
The change in atomic mass AND atomic number during alpha decay.
What is mass: -4, atomic number: -2
The equation for the alpha decay of Francium-211.
What is 21187Fr --> 42He + 20785At
What is the charge on a gamma ray?
0 netural
Molar Mass of Sodium
What is 22.9898 g/mol?
Which type, or types, of radiation can aluminum protect you from?
Alpha and Beta particles
300 points for one answer
*500 points for two answers*
What is the change in mass and atomic number in Beta Decay?
mass: 0 atomic number: +1
The equation for the beta decay of Sodium-24.
2411Na --> 0-1e- + 2412Mg
All elements above which atomic number are radioactive?
element 83
*Steal this many points from another team*
Equation to find mass of an atom
What is m = p + n
The word that means one element changing into another element
What is transmutation?
The processes in which a particle containing two protons and two neutrons is emitted.
What is alpha decay
The equation for the alpha bombardment of Neon-21
2110 Ne + 42 He → 2512 Mg
*Double points*
The two opposing forces are working in the nucleus of an atom.
What is the strong nuclear force and the electro static force?
The number of neutrons in Zinc-66
What is 36 neutrons
*Double Points*
An unstable nucleus will always...
decay until it is stable
the processes in which a neutron splits into a proton and an electron. The electron is emitted.
What is beta decay?
Lithium -7 is bombarded by an alpha particle and produces a neutron and another particle
73Li + 42He → 10n + 105B
What element does polonium-208 decay to when it emits an alpha particle?
20482Pb