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
otez555 [7]
3 years ago
6

This chart show the amount of radioactivity measured from three unknown isotopes.

Chemistry
1 answer:
Ad libitum [116K]3 years ago
5 0

Answer:

We are asked to describe the half-life of the radioactive materials.

  • Hence the 3rd option is correct
You might be interested in
Which of the following atoms has 4 valence electrons
Mars2501 [29]
Can you show me the atoms please? I would be able to help.
5 0
3 years ago
Debbie was doing a science lab, and she was instructed to decide whether a piece of plastic would float or sink without actually
Mandarinka [93]
Find the density of the plastic. if the density is less than that of water, it's going to float. If it's more than the density of water, then it's going to sink.
8 0
3 years ago
Read 2 more answers
What is the number of moles of solute in a 0.3 molal solution containing 0.10 kg of solvent? Don't forget the unit.
timurjin [86]
Molality is one way of expressing concentration for solutions. It has units of moles of solute per kg of solvent. From the given values, we easily calculate for the moles of solute by multiplying the mass of solvent to the molality. We do as follows:

moles solute = 0.3 (10) = 3 mol solute


5 0
3 years ago
Read 2 more answers
Tips for studying last minute (respiratory system)?? most helpful tips will be rewarded brainliest
Aleks [24]
Tips
- write cue cards on respiratory system
- get someone to test you on your notes (friend,Mum,sister,brother ect)
- copy down diagrams of the system
- get someone to test you on Digram
- play online interactive games to test your knowledge on the respiratory system
- go through your textbook write a checklist things you know things you need to improve on.
- watch YouTube clips on the respiratory system
4 0
3 years ago
Which is not an indicator for a chemical change?
Anastasy [175]

Answer:

A

Explanation:

Because it does not change entirely.

8 0
3 years ago
Other questions:
  • A sample of gas in which [h2s] = 5.25 m is heated to 1400 k in a sealed vessel. after chemical equilibrium has been achieved, wh
    7·1 answer
  • Which phrase describes the movement of the continents?
    12·2 answers
  • What is the ralio of Sr + ions to Brions in a neutral compound?
    13·1 answer
  • If I have an unknown quantity of gas at a pressure of 50.65 kPa, a volume of 25 liters, and a temperature of 300 K, how many mol
    14·1 answer
  • Whether an ionic bond or a covalent bond forms, bonds form in order to make newly created substances ________ than the substance
    9·1 answer
  • What can you say about an atom with 4 protons, 2 neutrons, and 5 electrons?
    5·1 answer
  • It exists between polar covalent molecules
    12·1 answer
  • Is density defined as the volume in a given mass orthe mass in a given volume?​
    7·1 answer
  • The reactants A and B react completely in a sealed container to form a product. What is the mass of the product of the reaction
    8·1 answer
  • Part 1. A chemist reacted 15.0 liters of F2 gas with NaCl in the laboratory to form Cl2 and NaF. Use the ideal gas law equation
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!