science chem

posted by .

As a radio active material gets older, does it emit less, more or a constant level of radiation per second?

There is less matter to convert, and it takes the same time per atom. Of course the activity is less.

Respond to this Question

First Name
School Subject
Your Answer

Similar Questions

  1. Number stories

    How do you find out if 0.02 is less or more than 1/4?
  2. Science

    I don't understand Newton's second law: Net Force = Mass x Acceleration I don't understand what this says. Does it mean that the higher the mass, the more force it takes to move it the same distance as a lighter mass or something?
  3. MATH

    WEIGHTED AVERAGE A SHIP TRAVELS FROM NEW YORK TO SOUTHAMPTON ENGLAND AT 33 MILES PER HOUR. A PLANE TRAVELING 605 MILES PER HOUR TAKES 104 HOURS LESS TIME TO MAKE THE SAME TRIP. HOW FAR APART ARE THE TWO CITIES?
  4. Physics

    The allowed orbits for the electron around the nucleus of the hydrogen atom are explained by de Broglie as ... a. Quantized values for the total energy of the electron in the atom b. Quantized values for the angular momentum of the …
  5. Algebra

    A ship travels from New York to southampton, england at 33 miles per hour. A plane traveling 605 miles per hour takes 104 hours less time to make the same trip. How far apart are the two cities?
  6. calculus

    A 0.2 ml dose of a drug is injected into a patient steadily for 0.75 seconds. At the end of this time, the quantity,Q, of the drug in the body starts to decay exponentially at a continuous rate of 0.2 percent per second. Using formulas, …
  7. Algebra

    1. A man completing a 40km trip finds that by travelling one more km per hour, he could have made the journey in 2 hours less time. At what speed did he actually travel?
  8. Physics

    The Voyager 1 spacecraft is at the edge of the solar system, about 11 billion km away. (a) How long does a radio signal from Voyager 1 take to get to the Earth?
  9. Physics

    For a I got 36666.67 seconds which I don't know if its right and then b I know my answer is wrong because I got 0.0375 for wavelength.And I don't understand how to do e or f.   The Voyager 1 spacecraft is at the edge of the solar …
  10. Science Help Please

    8. Which of these correctly compares the masses of different objects in the universe?

More Similar Questions