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

Author Question: The distinction between an element and an isotope is A) an element has a specific number of both ... (Read 58 times)

olgavictoria

  • Hero Member
  • *****
  • Posts: 528
on: Jul 29, 2018
The distinction between an element and an isotope is
 
  A) an element has a specific number of both protons and neutrons; an isotope has a specific number of protons.
  B) an element has a specific number of neutrons; an isotope has a specific number of both protons and neutrons.
  C) an element has a specific number of protons; an isotope has a specific number of neutrons.
  D) these two words have the same meaning, but element is used by chemists while isotope is used by physicists.
  E) an element has a specific number of protons; an isotope has a specific number of both protons and neutrons.

Question 2

It is 39 trillion miles to the nearest star beyond the sun. Expressed in powers of ten, this is
 
  A) 3.9  1013. B) 3.9  109. C) 3.9  1010. D) 3.9  1012.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

xiazhe

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 29, 2018
Answer to Question 1

E

Answer to Question 2

A


olgavictoria

  • Member
  • Posts: 528
Reply 2 on: Jul 29, 2018
YES! Correct, THANKS for helping me on my review

CAPTAINAMERICA

  • Member
  • Posts: 325
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

As of mid-2016, 18.2 million people were receiving advanced retroviral therapy (ART) worldwide. This represents between 43–50% of the 34–39.8 million people living with HIV.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

Multiple experimental evidences have confirmed that at the molecular level, cancer is caused by lesions in cellular DNA.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Chromosome number is halved Chromosome number is halved
Examples of Specific Antidotes for Overdosed Substances or Toxins Examples of Specific Antidotes for Overdosed Substances or Toxins
Specific Drugs and their Potential for Dependence Specific Drugs and their Potential for Dependence
Young adulthood brings the greatest number of role transitions and highest levels of demands than ... Young adulthood brings the greatest number of role transitions and highest levels of demands than ...
Estimated number of new HIV infections per year over time period in Canada Estimated number of new HIV infections per year over time period in Canada
What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g? What is the isotopic atomic mass of an isotope if 9.7023 1022 atoms weighs 4.0256 g?
Video: Summary of glucose catabolism

For a complete list of videos, visit our video library