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

Author Question: The element that corresponds to the electron configuration 1s22s22p2 is ________. A) lithium B) ... (Read 41 times)

tth

  • Hero Member
  • *****
  • Posts: 579
The element that corresponds to the electron configuration 1s22s22p2 is ________.
 
  A) lithium
  B) beryllium
  C) boron
  D) nitrogen
  E) carbon

Question 2

Since air is a mixture, it does not have a molar mass. However, for calculation purposes, it is possible to speak of its effective molar mass.
 
  (An effective molar mass is a weighted average of the molar masses of a mixture's components.) If air at STP has a density of 1.285 g/L, its effective molar mass is ________ g/mol.
  A) 26.94
  B) 31.49
  C) 30.00
  D) 34.42
  E) 28.80


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Jane

  • Sr. Member
  • ****
  • Posts: 309
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 29% of students answer this correctly




tth

  • Member
  • Posts: 579
Reply 2 on: Aug 27, 2018
Thanks for the timely response, appreciate it


tandmlomax84

  • Member
  • Posts: 323
Reply 3 on: Yesterday
Gracias!

 

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

Methicillin-resistant Staphylococcus aureus or MRSA was discovered in 1961 in the United Kingdom. It if often referred to as a superbug. MRSA infections cause more deaths in the United States every year than AIDS.

Methicilli ...
Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

For a complete list of videos, visit our video library