Which statement describes what happens to elements during radioactive decay

Biology

2 answers:

ira [324]3 years ago

4 0

Answer:

3) they lose energy at a varying rate - is the correct answer.

Radioactive decay is defined as the process by which an unstable atomic nucleus loses its energy by emitting radiations. The decay is random and cannot be predicted earlier.

Read more on Brainly.com - brainly.com/question/10799925#readmore

Explanation:

forsale [732]3 years ago

3 0

Answer:

1) They release energy.

Explanation:

The radioactive decay of chemical elements is a phenomenon in which the unstable nucleus of an atom disintegrates becoming a more stable nucleus, but due to the decay, particles such as alpha and beta particles among others are released.

A Radioactive decays releases energy (it is important to remember that energy is not created or destroyed, only transformed), in order to move from a non-stable nucleus to a more stable one.

The radioactive decay has an exponential decay, which means that it is reduced steadily over time, and this depends on the element.

The statemente that best describes what happens to elements during radioactive decay is: 1) They release energy.

You might be interested in

if there are 500 people in a population, and 150 are homozygous HbA/hba, 150 are homozygous hbs/hbs, and 200 are heterozygous hb

sineoko [7]

Answer:

$0.547$

Explanation:

Given -

Total Population - $500$

Individuals with homozygous HbA/hbA genotype - $150$

Individuals with homozygous hbs/hbs genotype - $150$

Individuals with heterozygous hba/hbs genotype - $200$

Let us assume the given population is in Hardy Weinberg' equilibrium

The frequency of individuals in the given population with homozygous HbA/hba genotype is equal to number of individuals with homozygous HbA/hba genotype divided by total population.

$\frac{150}{500} \\= 0.3$

The frequency of hba allele is equal to

$\sqrt{0.3} \\= 0.5477$

3 0

3 years ago

Item 1

chubhunter [2.5K]

The Answer is C Gas exchange take place in our lungs

8 0

3 years ago

what is the force needed to move a boy and his wheelchair with a combined mass of 30kg at 0.4 meters per square second

vichka [17]

Answer:

The force needed to move a boy and his wheelchair with a combined mass of 30kg at 0.4 meters per square second is 12 newton.

Explanation:

According to Newton's second law based motion "the moving object's acceleration is based upon two terms - one is the total force acting upon that object and the other one is the net mass of the object."
In mathematical term, F=ma. where F= force, m= mass, a= acceleration.
So, by performing the calculation, $\bold{\mathrm{F}=30 \times 0.4 \mathrm{N}=12 \mathrm{N}}$
12N force will move the boy along with the wheel chair.