This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: An atom that has an atomic number of 20 and a mass number of 42 is an isotope of an atom that has: (Read 32 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
on: Jul 8, 2021
An atom that has an atomic number of 20 and a mass number of 42 is an isotope of an atom that has:
◦ an atomic number of 21 and a mass number of 42
◦ an atomic number of 20 and a mass number of 40
◦ 22 neutrons and 20 protons
◦ 22 protons and 20 neutrons
General Chemistry: Principles and Modern Applications ¦ Petrucci, Herring, Madura, Bissonnette ¦ 11th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by Bob-Dole on Jul 8, 2021

mistyjohnson

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 8, 2021
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 25% of students answer this correctly


Bob-Dole

  • Member
  • Posts: 547
Reply 2 on: Jul 8, 2021
Wow, this really help

abro1885

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

Did you know?

Nitroglycerin is used to alleviate various heart-related conditions, and it is also the chief component of dynamite (but mixed in a solid clay base to stabilize it).

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa Rutherford's gold foil experiment demonstrating that most of the volume of an atom is empty spa
The Mass-Luminosity Relation The Mass-Luminosity Relation
Atomic Structure Atomic Structure
What is the total number of valence electrons in a silicate ion, SiO32-? What is the total number of valence electrons in a silicate ion, SiO32-?
Mass spectrometry for identifying an unknown protein isolated from a 2D gel Mass spectrometry for identifying an unknown protein isolated from a 2D gel
Number line for rounding Number line for rounding
Video: Replication of DNA and Chromosomes/ How do cells replicate their DNA? (Animation) no Audio

For a complete list of videos, visit our video library