1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
dedylja [7]
3 years ago
12

At the start of a measurement, a radioisotope has 10,000 unstable nuclei. over 2 days 5,000 of these unstable nuclei undergo rad

ioactive decay to stable nuclei. what is the half life of this radioisotope?
Chemistry
1 answer:
Black_prince [1.1K]3 years ago
6 0
The half life of a radioactive element is the time needed to the element to decay and reach the half amount of the initial amount. Here we have a radioisotope element which decays its half from 10,000 to 5,000 in two days. Therefore, its half life is 2 days.
You might be interested in
Select the correct answer. Which substance is made of polymers? A. marble B. protein C. salt D. steel
Greeley [361]

Answer:

the answer is B proteins

Explanation:

brainliest pls

4 0
3 years ago
Read 2 more answers
6.10 g of a solid chemical reacts with a 10 g of a liquid chemical, the
Luda [366]

Answer: <u><em>True</em></u>

Explanation:

<u><em>Q. 10g of white powder reacts with 10g of clear liquid. The reaction bubbles and changes color producing a black liquid that has a mass of 13g. What can be ...</em></u>

4 0
3 years ago
A student is building an electrical circuit.
Savatey [412]

Answer:

A a metal such as copper

Explanation:

5 0
3 years ago
Read 2 more answers
Which metals have similar chemical properties? Check all that apply. barium
rodikova [14]
Alkina metals all have the similar proteries
6 0
3 years ago
Is sodium benzoate soluble in NaOH, NaHCO3
krek1111 [17]
It is water soluble so is also soluble in aqueous solutions of NaOH or NaHCO3.
6 0
3 years ago
Read 2 more answers
Other questions:
  • The reaction of 4.8g of sulfur and 5.4g aluminum yields 4.5g Al2S3. 3S+2AL--&gt;Al2S3 Determine the percent yield of Al2S3.
    6·1 answer
  • A hot air balloon is filled with of an ideal gas on a cool morning ( The air is heated to What is the volume of the air in the b
    7·1 answer
  • How are oxonium salts formed?with reaction​
    14·1 answer
  • What is the escape speed for an electron initially at rest on the surface of a sphere with a radius of 1.7 cm and a uniformly di
    5·1 answer
  • Calculating kinetic energy 1200kg car moving at 10​
    6·1 answer
  • Burning is a reaction in which oxides are formed by combining ______ and _________.
    15·2 answers
  • Which has the strongest conjugate base?
    5·1 answer
  • 14. How are the molecules in oxygen gas, the molecules in hydrogen gas, and water
    13·1 answer
  • Which wave has more energy, the wave at the transmitter or the wave at the receiver? Explain your answer.
    7·2 answers
  • A gymnast whose weight is 5 10 N hangs from the middle of a bar supported by two vertical strands of rope. What is the tension i
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!