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
Katen [24]
2 years ago
6

Imagine a rock comprised entirely of an unstable isotope. After three half-lives, how much of the parent isotope remains

Chemistry
1 answer:
uysha [10]2 years ago
7 0

Answer:  After three half-lives 1/8 (12.5%) of the original sample remains

You might be interested in
Global winds are directly caused by the Earth's rotation and
Natali5045456 [20]

Answer:

A the uneven heating of earths surface

Explanation:

Because earths rotates on its axis, circulating air is deflected torward the right in the northern hemisphere and toward the left Southern Hemisphere. This is called the coriolis effect

5 0
3 years ago
What is a non-example of Volume? A. The glass is half full is an example of volume. B.The glass is half empty is an example of n
Vladimir [108]
The correct answer would be C. A blank page <span>is a non-example of volume. Volume is the expression of size for 3D objects.  It has the measurement of a distance raised to the power of three. Choice A and B signifies that a certain the glass contains a certain volume of something which half of the glass. </span>
5 0
3 years ago
Read 2 more answers
Is pcl3 covalent or ionic
WITCHER [35]
Covalent Bond.

To be specific, it is polar covalent bond. :)
5 0
3 years ago
Min : sec helium and nickel are classified as _____, which are pure substances that make up all kinds of matter
Sidana [21]

Helium which has a chemical formula of He is considered as a noble gas while Nickel which has a chemical formula of Ni is considered as metallic. Although both have different phases but they are both classified under the general category of “Elements”.

 

answer:

<span>elements</span>

4 0
3 years ago
How many significant figures are in the mass 3.0047 g?
Rudik [331]

Answer:

5 significant figures

5 0
3 years ago
Other questions:
  • Which option is an example of a chemical property?
    14·2 answers
  • Who does not experience critical periods? humans animals both neither
    15·2 answers
  • 8. The density of an iron nail is the same as the density of an iron frying pan. Explain
    10·1 answer
  • The number of valence electrons in an atom with an electron configuration is 1s2 2s2 2p6 3s2 3p4
    6·1 answer
  • Whay does a solid change into liquid<br>on<br>heating? Expalin in brief​
    9·1 answer
  • Freediving is an activity in which a person dives, sometimes to great depth, without the use of scuba gear. The diver must hold
    7·1 answer
  • An unknown substance has mass of 20 grams and volume of 2 cm3. What is the density of the substance
    8·1 answer
  • On the basis of electronegativity, which of these pairs of elements is most likely to form polyatomic ions?
    14·1 answer
  • The structure of an atom is
    15·1 answer
  • Which statement is true of all chemical reactions? They can go in just one direction. They can go in just one direction. They oc
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!