« previous next »

Author Question: The half-life of a radioactive element is the time it takes for: A) half of the radioactive atoms ... (Read 123 times)

natalie2426

  • Hero Member
  • *****
  • Posts: 524
on: Jul 27, 2018
The half-life of a radioactive element is the time it takes for:
 
  A) half of the radioactive atoms to double themselves.
  B) half of the radioactive atoms to decay into isotopes.
  C) the radioactive atoms to increase by half of its initial quantity.
  D) the radioactive atoms to increase to 1.5 times of its initial quantity.

Question 2

Which of the following is true of meteors?
 
  A) They are not stars.
  B) They orbit Terrestrial planets.
  C) They are composed of frozen water.
  D) They do not contain rock or metal.


TINA

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Latest element on the Periodic Table Latest element on the Periodic Table
Life of a Midlatitude Cyclone Life of a Midlatitude Cyclone
The environmental policy changes over time The environmental policy changes over time
Life Expectancy versus GDP per Capita Life Expectancy versus GDP per Capita
In situ hybridization between a radioactive probe In situ hybridization between a radioactive probe
Life cycle of bacteriophage T4 Life cycle of bacteriophage T4
Video: Corpus Callosum Animation

For a complete list of videos, visit our video library