Questions LLC
Login
or
Sign Up
Ask a New Question
Science
Physics
What is an isotope?
1 answer
Nuclei that has the same number of protons, but may contain diff number of neutrons.
You can
ask a new question
or
answer this question
.
Similar Questions
A rare isotope of a nuclear material is very unstable, decaying at a rate of 12% each second. Find how much isotope remains
Top answer:
To find the amount of isotope remaining, we can use the formula: Amount remaining = Initial amount *
Read more.
A rare isotope of a nuclear material is very unstable, decaying at a rate of 13% each second. Find how much isotope
Top answer:
To find the amount of isotope that remains 11 seconds after 8 grams were created, we can use the
Read more.
Consider the isotope arsenic-76
How many protons are in an atom of this isotope? 33 What is the mass number of this isotope? 76
Top answer:
What is the atomic mass of this isotope? 75.919 u
Read more.
Consider an isotope with 38 electrons, an atomic number of 39, and a mass number of 86. Answer the following questions:
a. How
Top answer:
a. To find the number of neutrons, subtract the number of protons (atomic number) from the mass
Read more.
1. Consider an isotope with 18 protons, a charge of +2, and a mass number of 38. Answer the following questions:
a. How many
Top answer:
a. To find the number of neutrons in the isotope, we subtract the number of protons from the mass
Read more.
Element X has three isotopes
Isotope 1 Isotope 2 Isotope 3 Mass 28 29 30 Abundance % 92.18 4.71 3.12 ii)Use the isotope
Top answer:
Again, this is the candy mixture problem of Algebra I. relativemass*100=92.18*28+4.71*29+3.12*30 ii
Read more.
When is an isotope considered stable?
_(Select all that apply.)_ The isotope does not emit a form of radiation. The isotope’s
Top answer:
Yes, you are correct. An isotope is considered stable if it meets any of the following criteria: 1.
Read more.
the longest lived radioactive isotope yet discovered is the beta-emitter tellurium-130.it has been determinded that it would
Top answer:
<sub>52</sub><sup>130</sup>Te ==> <sub>-1</sub><sup>o</sup>e + X The subscripts must add up and the
Read more.
Element x
Isotope 55x 60% Isotope 56x 30% Isotope. 57x 10% 55× 60 =3300 56×30=1650 57× 10= 570 Add them up5520 divide by 100
Top answer:
correct
Read more.
How are the terms "activity" and "becquerel" related?
A radioactive isotope source has a mass of 120 g. If the isotope has a half
Top answer:
k = 0.693/t<sub>1/2</sub> Substitute k into the equation below. ln(No/N) = kt No = 120 N = ? k from
Read more.
Related Questions
An isotope of sodium has a half-life of 20 hours. Suppose an initial sample of this isotope has mass 10 grams. The amount of the
What information is needed to calculate the average atomic mass of an element?
A. The relative abundance of its isotope** B. The
A fictitious element X is composed of 20 percent of the isotope X-50,15 percent of the isotope X -51, and 65 percent of the
"Colbalt-60 is a radioactive isotope used to treat cancers of the brain and other tissues. A gamma ray emitted by an atom of
Complete the table for the radioactive isotope. (Round your answer to two decimal places.)
Isotope: 239Pu Half-life (years):
The exponential formula for the half-life of a radioactive isotope is
y=y0ekt, where y is the amount of the isotope remaining
A fictitious element X is composed of 78.0% of the isotope X-50, 15.0% of the isotope X-51 , and 7.0% of the isotope X-52.
A radioactive isotope source has a mass of 120ug. If the isotope had a half life of 20s, what would be the mass if the isotope
Gallium65, a radioactive isotope of gallium, decays by first order-kinetics. The half-life of this isotope is 15.2 min. How long
A fictitious element X is composed of 70.0 percent of the isotope X^45, 20.0 percent of the isotope X^ 46, and 10.0 percent of
