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
Andrews [41]
3 years ago
7

Isotopes (such as hydrogen-1, hydrogen-2, and hydrogen-3) are atoms of the same element that differ in:

Chemistry
1 answer:
maria [59]3 years ago
8 0
They have a different amount of neutrons.
You might be interested in
Extend your thinking: The slow decay of radioactive materials can be used to find the age of rocks, fossils, and archaeological
lisov135 [29]

The age in years of the Egyptian papyrus, the Aboriginal charcoal, the Mayan headdress, and the Neanderthal skull are 4000 years, 13106.5years , 2040 years, and 30353 years respectively.

<h3>What is the half-life of a radioactive material?</h3>

The half-life of a radioactive material is the time taken for half the atoms present in the material to decay or disintegrate.

The half-life, t_\frac{1}{2}, the age, t, and amount remaining, A_{r}, of a radioactive material are related by the formula below:

  • t = \frac{t_\frac{1}{2}*A_{r}}{-ln2}

Half-life of carbon-14 = 6000 years

For the Egyptian papyrus with 63% of its original carbon-14 atoms:t = \frac{6000*0.63}{-0.63} = 4000\:years

For the Aboriginal charcoal with 22% of its original carbon-14 atoms:

t = \frac{6000*0.22}{-0.63} = 13106.5\:years

For the Mayan headdress with 79% of its original carbon-14 atoms:

t = \frac{6000*0.79}{-0.63} = 2040\:years

Neanderthal skull with 3% of its original carbon-14 atoms:

t = \frac{6000*0.03}{-0.63} = 30353\:years

Therefore, the age in years of the Egyptian papyrus, the Aboriginal charcoal, the Mayan headdress, and the Neanderthal skull are 4000 years, 13106.5years , 2040 years, and 30353 years respectively.

Learn more about half-life at: brainly.com/question/26689704

#SPJ1

6 0
2 years ago
1
Molodets [167]

Answer: The temperature does effect the growth of the plants. If you kept them all at different temperature and the growth was different then the temperature is definitly a factor in plant growth

Explanation:

7 0
3 years ago
What is the chemical formula for an amino group?
scoray [572]
<span>Formula of the 20 common amino acids. The formula of an amino acid comprises, bound to a carbon (alpha carbon): a carboxyl group -COOH. an amine group -NH2.</span>
4 0
3 years ago
When fertilization occurs one half of the DNA comes from the __________
AfilCa [17]

Answer:

Father - Mother

Sperm - Egg and those fertilized are called a Zygote

Explanation:

6 0
3 years ago
Read 2 more answers
I need help with this problem !
Sloan [31]

Answer:

3

Explanation:

7 0
3 years ago
Other questions:
  • How many mg of a 31-mg sample of calciul 47 remains after 45 days
    9·2 answers
  • What is an atomic number
    6·1 answer
  • Explain the difference between a sea-level transgression and regression.
    14·2 answers
  • Calculate the molecular mass or formula mass (in amu) of each of the following substances: (a) BrN3 amu (b) C2H6 amu (c) NF2 amu
    6·2 answers
  • Where are digestive enzymes found in the body
    9·2 answers
  • from the equation 2PbO + C = 2Pb + CO2, detemine which one is reactant is oxidised and which is reduced.​
    11·2 answers
  • 50 POINTS PLEASE ANSWER CORRECTLY
    8·1 answer
  • A boy who weighs 30 kg is skateboarding at a speed of 5 m/s. What is the boys kinetic energy?
    15·1 answer
  • How much of the total mass of the solar system is contained in the Sun?
    11·2 answers
  • Which phrase is the best definition of matter?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!