What particle is released during alpha decay?
What is 42He ?
What is helium nucleus?
What is alpha particle?
What particle is emitted during beta decay?
What is 0-1e?
What is beta particle/electron?
Which radiation has no mass and no charge?
80 g with half-life of 10 years. Amount after 20 years?
What is 20 g?
Which decay does not change atomic number or mass number?
What is Gamma decay?
How does alpha decay change atomic number and mass number?
What is Atomic number -2?
What is Mass number -4?
How does beta decay change atomic number and mass number?
What is Atomic number +1?
What is Mass number no change?
Which radiation can be stopped by paper?
What is Alpha?
64g with half-life of 12 years. Amount after 36 years?
What is 8 g?
If an isotope undergoes alpha decay followed by beta decay, what is the net change in atomic number?
What is -1?
What is thorium-234?
What element forms when Carbon-14 undergoes beta decay?
What is Nitrogen-14?
Which radiation can be stopped by aluminum foil?
What is Beta?
100 g with half-life of 12 years. Amount after 36 years?
What is 12.5g?
A sample starts with 200g and has a half-life of 4 years. Amount after 8 years?
What is 50g?
What element forms when Radium-226 undergoes alpha decay?
What is Radon-222?
What element forms when Strontium-90 undergoes beta decay?
What is Yttrium-90?
Which radiation has the highest penetrating power?
What is Gamma?
40 g with half-life of 2 days. Amount after 6 days?
What is 5 g?
Which radiation would require lead shielding to stop effectively?
What is Gamma radiation?
What type of radiation has the largest mass and lowest penetration power?
What is Alpha radiation?
During beta decay, what happens inside the nucleus?
What is a neutron turns into a proton and an electron?
Which radiation consists of high-energy electromagnetic waves?
What is Gamma radiation?
160g with half-life of 8 minutes. Amount after 24 minutes?
What is 20g?
A radioactive sample starts with 320g and has a half-life of 10 years. How much remains after 30 years?
What is 40g?