« previous next »

Author Question: The ________ of a radioactive substance is the time required for 50 percent of a (Read 987 times)

camila

  • Hero Member
  • *****
  • Posts: 705
on: Jun 7, 2013
The ________ of a radioactive substance is the time required for 50 percent of a given amount of radioisotope to decay. 


Celeste

  • Hero Member
  • Posts: 588
Reply #1 on: May 24, 2019
half-life 


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Independent assortment produces 50 percent recombinants Independent assortment produces 50 percent recombinants
Milankovitch cycles interact over time Milankovitch cycles interact over time
Substance P assists the transmission of impulses across the synapse Substance P assists the transmission of impulses across the synapse
Time spent on, paid work and housework, by living arrangements of Canadian Time spent on, paid work and housework, by living arrangements of Canadian
Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011 Average real hourly wages (2010 dollars) by education level, full-time workers aged 17 to 34 in 2011
What is the molar solubility, (S), of FeCO3 if the ksp = 3.07*10^-11 for this substance? What is the molar solubility, (S), of FeCO3 if the ksp = 3.07*10^-11 for this substance?
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library