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

Author Question: An element has 5 stable isotopes. The mass and percentage of each are: 89.9043 51.46% 90.9053 11.23% ... (Read 86 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
on: Jul 8, 2021

Question 1

An element has 5 stable isotopes. The mass and percentage of each are:

69.9243 20.52%
71.9217 27.43%
72.9234 7.76%
73.9219 36.54%
75.9214 7.76%

The element is which of the following?
◦ As
◦ Se
◦ Ge
◦ Ga
◦ Zn

Question 2

An element has 5 stable isotopes. The mass and percentage of each are:

89.9043 51.46%
90.9053 11.23%
91.9046 17.11%
93.9061 17.40%
95.9082 2.80%

The element is which of the following?
◦ Nb
◦ Y
◦ Sr
◦ Zr
◦ Rb
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 EY67 on Jul 8, 2021

fraziera112

  • Sr. Member
  • ****
  • Posts: 356
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


EY67

  • Member
  • Posts: 531
Reply 2 on: Jul 8, 2021
Gracias!

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Common abbreviations that cause medication errors include U (unit), mg (milligram), QD (every day), SC (subcutaneous), TIW (three times per week), D/C (discharge or discontinue), HS (at bedtime or "hours of sleep"), cc (cubic centimeters), and AU (each ear).

Did you know?

The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Did you know?

Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Brain mass as a function of body mass in mammals. Brain mass as a function of body mass in mammals.
Center of Mass of a Binary Star System Center of Mass of a Binary Star System
Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio Percentage of Foreign-Born Whites and Native Whites of Foreign or Mixed Parentage in Total Populatio
Mass Wasting Forms Mass Wasting Forms
Mass Wasting Forms Mass Wasting Forms
0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. Its molar mass is ... 0.123 g of a gas occupy a volume of 124 mL at 120. °C and 760. torr. Its molar mass is ...
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library