This topic contains a solution. Click here to go to the answer

Author Question: Which one of the following combinations of neutrons/protons results in the lowest number of ... (Read 61 times)

tfester

  • Hero Member
  • *****
  • Posts: 534

Question 1

Which one of the following statements about isotopes is false?
◦ All isotopes beyond 209Bi are radioactive.
◦ Nonradioactive isotopes generally have an odd number of neutrons.
◦ The ratio of neutrons to protons is > 1:1 for elements heavier than Ca.
◦ The ratio of neutrons to protons is about 1:1 for elements lighter than Ca.

Question 2

Which one of the following combinations of neutrons/protons results in the lowest number of nonradioactive (stable) isotopes?
◦ even number protons/odd number neutrons
◦ odd number protons/even number neutrons
◦ odd number protons/odd number neutrons
◦ even number protons/even number neutrons


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by tfester on Feb 15, 2020

jamesnevil303

  • Sr. Member
  • ****
  • Posts: 337
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 39% of students answer this correctly




tfester

  • Member
  • Posts: 534
Reply 2 on: Feb 15, 2020
:D TYSM


kswal303

  • Member
  • Posts: 316
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

It is difficult to obtain enough calcium without consuming milk or other dairy foods.

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

For a complete list of videos, visit our video library