Chemistry, 27.11.2019 05:31 simoncastro1

What is half-life?
a.) the time it takes for a radioactive atom to lose half its electrons
b.) the time it takes for half of any number of radioactive atoms to decay
c.) the average time it takes for any element to disappear completely
d.) the time it takes for a radioactive atom to lose half its nutrients

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 22.06.2019 02:50

What is the overall order of reaction for rate = k[no]2[o2]

Answers: 3

Answer

Chemistry, 22.06.2019 17:00

Complete each row of the table below by filling in the missing prefix or missing exponent.

Answers: 1

Answer

Chemistry, 22.06.2019 19:30

Anurse used a 0.02-mg/l solution of disinfection to clean a patients wound. what is the concentration of the solution expressed as a percentage?

Answers: 1

Answer

Chemistry, 22.06.2019 22:00

Plz ill give u brainliest which of the following steps is not likely to take place during cellular respiration? a.oxygen combines with carbon of simple sugar. b. energy molecule transfers energy to cells. d. energy is used up.

Answers: 3

Answer

You know the right answer?

What is half-life?
a.) the time it takes for a radioactive atom to lose half its electrons

Questions

Mathematics, 04.02.2020 00:03

Macy wants to know if the number of words on a page in her grammar book is generally more than the number of words on a page in her math book. she tak...

Mathematics, 04.02.2020 00:03

Graph the function g(x) = -3 / (x²- 4) . what is the domain of g(x)? explain your reasoning. do not completely trust calculator or computer graphs of...

History, 04.02.2020 00:03

Which statement best summarizes the effect that world war one had on russia? russia sustained very few casualties during the war

Mathematics, 04.02.2020 00:03

Acircle has a radius of 10 inches. find the approximate length of the arc intersected by a central angle of 2(pi)/3...

Mathematics, 04.02.2020 00:03

Which statement describes the graph of the function between x=3 and x=6? a.) linear and increasing b.) linear and decreasin...

Mathematics, 04.02.2020 00:03

Ron brought two wrist watches for his sisters that each cost x dollars. he also brought a pair of sunglasses for himself. the sunglasses cost $14 more...

Biology, 04.02.2020 00:03

Why was it important for the united states to defend korea...

Biology, 04.02.2020 00:03

Which of these is not true of cells? a. they are much like empty rooms. b. they were first discovered in the 1600s. c. they...

Mathematics, 04.02.2020 00:03

Item 1 angle a and angle b are supplementary angles. what must be true about the angles? the sum of the angles is 180°....

English, 04.02.2020 00:03

What is "that" is it relative or is it others?...

History, 04.02.2020 00:03

During his "atlanta compromise" speech, booker t. washington mostly tried to...

English, 04.02.2020 00:03

What was the main character in titanic?...

English, 04.02.2020 00:03

Directions to essay hope this is better

Mathematics, 04.02.2020 00:03

In an election, 54% of the voters voted for a new school tax. what is the probability that a randomly selected voter did not vote for the tax? expres...

History, 04.02.2020 00:03

Choose the constitutional power that matches each presidential agenda item...

History, 04.02.2020 00:03

Use the drop-down menu to complete the sentence. the wealth of east african city-states was based on a. control of natural resource...

Biology, 04.02.2020 00:03

Light waves strike a lamp shade. what property of light is demonstrated? diffuse reflection diffraction refraction reg...

Social Studies, 04.02.2020 00:04

Which service is performed by local government...

Mathematics, 04.02.2020 00:04

Make r the subject of the formula t=r/r-3...

Physics, 04.02.2020 00:04

Hotspots in a microwave oven are caused by the formation of standing waves within the cooking chamber. what is the separation between hotspots in a 2....

More questions: Chemistry Another questions