Vocab
the amount of the it takes for half the nuclei in a sample of an isotope to decay
tracer
Gold
What Is Au?
the particle has a positive charge
what is a proton ?
Can be stopped by paper.
What Is Alpha Radiation/Particles?
The half life of Pd-100 is 4 days. After 12 days a sample has been reduced to a mass of 4 g. What is the starting mass ?
What is 32 g. ?
A medium-moving electron emitted by radioactive decay of substances.
What is a beta particle ?
U
What Is Uranium?
particle that has no charge
what is a neutron ?
Can be stopped by aluminum.
What Is Beta Radiation/Particles?
an isotope has a half life of 6 hours what percentage will be left after 24 hours ?
what is 6.25 ?
the changing of one element into another by radioactive decay, nuclear bombardment, or similar processes.
What is transmutation ?
What element is in column 1, row 6.
What Is Cesium?
what value represents the # of protons in the nucleus ?
what is a atomic # ?
Can be stopped by led.
What Is Gamma Radiation/Particles?
1. If the half-life of 100.0 grams of a radioactive isotope is 28 years, how many grams will remain in 112 years?
What Is 6.25 Grams?
a particle composed of 2 protons & 2 neutrons
alpha particle
Co
What Is Cobalt?
what would two different isotopes of an atom have in common ?
what is the same amount of protons ?
Medium size.
What Is Beta Radiation/Particles?
If the half-life of 100.0 grams is 8 years, how many grams will remain in 32 years?
What Is 6.25 grams?
penetrating electromagnetic radiation of a kind arising from the radioactive decay of atomic nuclei.
What is a gamma ray ?
Kr
What Is Kr?
a kind of force that keeps the protons and neutrons attached keeping the nucleus together .
hint: a force
what is a strong force ?
What type of radiation created the Hulk?
What Is Gamma Radiation/Particles?
The half-life of Zn-71 is 2.4 minutes. If one had 100.0 g at the beginning, how many grams would be left after 7.2 minutes has elapsed?
What Is 0.125?