subject

Chemistry, 19.07.2019 13:00 ashiteru123

Asample contains 10 g of a radioactive isotope. how much radioactive isotope will remain in the sample after 3 half-lives?

ansver

Answers: 1

Show answers

Other questions on the subject: Chemistry

Chemistry, 21.06.2019 18:30, 100113801

In a sample of oxygen gas at room temperature, the average kinetic energy of all the balls stays constant. which postulate of kinetic molecular theory best explains how this is possible?

Answers: 2

Chemistry, 21.06.2019 19:00, Shobhoob

What semimetal can form four single covalent bonds.

Answers: 2

Chemistry, 22.06.2019 05:00, foreignking02

1)each group 16 element has how many valence electrons? ( )4 ( )6 ( )8 ( )16 2)how many dots appear in the dot structure for calcium ion, ca2+? ( )zero ( )one ( )two ( )eight 3) which of the following atoms forms a cation to obtain an octet of outer shell electrons? ( )magnesium ( )oxygen ( )fluorine ( )helium 4) an al3+ ion contains 13 protons and 10 electrons. ( )true ( )false 5) valence and non-valence electrons are represented in lewis dot structures. ( )true ( )false

Answers: 3

Chemistry, 22.06.2019 07:30, 10040813

The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.

Answers: 3

You know the right answer?

Asample contains 10 g of a radioactive isotope. how much radioactive isotope will remain in the samp...

Questions in other subjects:

Konu

Social Studies, 17.12.2019 21:31

You stumble across a red, yellow, and black banded snake while traveling in texas. you somehow remember that this could be a poisonous coral snake or a harmless milk snake, but you...

Konu

Social Studies, 17.12.2019 21:31

Robbie is worried that all of the potential choices to be made will interrupt the great processes his company already has developed, so he doesn't want an impersonal presentation a...

Konu

Mathematics, 17.12.2019 21:31

What is 8(4-x)=7x+2 do you think you can me out...

Konu

Business, 17.12.2019 21:31

Choco fantasy is a firm that produces both dark chocolates as well as liquor chocolates. it can produce 10,000 bars of dark chocolate per month if all its resources are used to pro...

Konu

Business, 17.12.2019 21:31

Clarence is the assistant vice president of quality control for a medical equipment manufacturing firm. however, clarence is currently teaching science in a high school in haiti. a...

Konu

Business, 17.12.2019 21:31

Blake’s manufacturing sells unfinished wood pieces for $150 each. the manager reported 280 defective wood pieces in inventory, which cost $20 to refabricate. the manager can sell t...

Konu

Social Studies, 17.12.2019 21:31

Charles shops at an upscale clothing store. he has been three times this month and each time has noticed a sweater. today, he goes in and finds that he likes this sweater more than...

Konu

Business, 17.12.2019 21:31

Determine the maturity date and compute the interest for each of the following notes payable with add-on interest: use 360 days for calculations and round the nearest dollar. date...

Konu

Social Studies, 17.12.2019 21:31

Darcy is sitting at her desk in her office one day when, without warning, her heart begins racing rapidly, she has a sensation of being "out of her body," and she experiences dulle...

Konu

Business, 17.12.2019 21:31

Country x and country y are the same size in terms of population, area, and capital stock. if both countries devote all of their efforts to producing widgets, country x can produce...

More questions: Chemistry Another questions