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 91 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

helenmarkerine

  • Member
  • Posts: 324
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic Mammals posses a number of physiological pathways related to stress. One example is the hypothalamic
Hydrogen Atom Hydrogen Atom
Calculation of body mass index. To determine your BMI, find the value for your height on the left ... Calculation of body mass index. To determine your BMI, find the value for your height on the left ...
How to find the average atomic mass of an element How to find the average atomic mass of an element
Mass Wasting Forms Mass Wasting Forms
What atomic or hybrid orbital on P make up the sigma bond between P and Cl in phosphorous ... What atomic or hybrid orbital on P make up the sigma bond between P and Cl in phosphorous ...
Video: Ventilation - phases and driving forces

For a complete list of videos, visit our video library