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
stiks02 [169]
3 years ago
6

The half-life of tritium (H-3) is 12.3 years. If 48.0mg of tritium is released from a nuclear power plant during the course of a

mishap, what mass of the isotope will remain after 49.2 years?
Chemistry
1 answer:
Amiraneli [1.4K]3 years ago
3 0

Answer:

Explanation:

it is tough question plz give me some time i would give you your ans soon

You might be interested in
4. Write the electronic configuration of first 20 elements in the periodic table.
DIA [1.3K]

Answer:

Name Atomic Number Electron Configuration Period 1 Hydrogen 1 1s1 Helium 2 1s2 Period 2 Lithium 3 1s2 2s1 Beryllium 4 1s2 2s2 Boron 5 1s2 2s22p1 Carbon 6 1s2 2s22p2 Nitrogen 7 1s2 2s22p3 Oxygen 8 1s2 2s22p4 Fluorine 9 1s2 2s22p5 Neon 10 1s2 2s22p6 Period 3 Sodium 11 1s2 2s22p63s1 Magnesium 12 1s2 2s22p63s2 Aluminum 13 

7 0
3 years ago
All of the following are examples of minerals except __________.
snow_tiger [21]
The answer is D.timber good luck 

3 0
3 years ago
Read 2 more answers
Use your calculator to determine the answer to the following calculation:<br> 1.0×10^−15/4.2×10^−7
lianna [129]
1.0×10^−15/4.2×10^−7=<span>2.3809524e-23 Hoped I helped!</span>
8 0
3 years ago
An element's atomic mass does not include the mass of its <br> Electrons <br> Protons <br> Neutrons
klio [65]
  Mass  of  electrons  are not  included when  calculating  the  atomic  mass  of   element.  Atomic  mass  of  the   element  is  equal  to   proton  +  neurons.  Example  the    the  mass  number  of  Nitrogen can   be  calculated as      7 protons  +  7  neutrons  to  give 14 .  thus  nitrogen  has  a  mass  number  of  14
4 0
3 years ago
A neutral atom has the following electron configuration: What is the chemical symbol for the atom? How many electrons does the a
tiny-mole [99]

Answer:

pls the image didn't come

Explanation:

ols the. atom's image didn't appear

3 0
3 years ago
Other questions:
  • Which cannot be separated into similar substances? Compound,element,solution ormixture
    5·1 answer
  • Iron has a density of 7.86 g/cm3. Calculate the volume (in dL) of a piece of iron having a mass of 4.79 kg .
    10·1 answer
  • Key terms: Reset ____________ anions are strong nucleophiles that open epoxide rings by an SN2 mechanism. ____________ tautomers
    12·1 answer
  • The density of a material is a/n
    9·1 answer
  • Can a window pane be considered a mineral?
    13·2 answers
  • Which answer helps to explain why carbon atoms tend to make 4 covalent bonds? which answer helps to explain why carbon atoms ten
    5·2 answers
  • What states of matter were present when pure water reached its boiling point
    11·1 answer
  • 3. In the chemical reaction CH,+ 20, - CO,+ 2H,0, there are reactants on the left of the equation
    14·1 answer
  • How many grams of KOH do we need to make 250.0ml of a 0.75 M
    6·1 answer
  • Question 8 (9 points) <br><br>Match the lab equipment with its purpose
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!